Appendix I: Definitions of ICD coding

Transcription

1 Appendix I: Definitions of ICD coding 1. Coding of Various CKD Etiologies Etiology of CKD ICD Coding Remark 1 Diabetes mellitus Type 1 diabetes mellitus with renal complications E Type 2 diabetes mellitus with renal complications E Other specified diabetes mellitus with renal E complications Unspecified diabetes mellitus with renal E complications Hypertensive diseases Hypertensive renal disease with renal failure I12.0 Hypertensive renal disease without renal failure I12.9 Hypertensive heart and renal disease with I13.0 (congestive) heart failure Hypertensive heart and renal disease with I13.1 renal failure Hypertensive heart and renal disease with both I13.2 (congestive) heart failure and renal failure Hypertensive heart and renal disease, I13.9 unspecified Glomerular diseases Acute nephritic syndrome, other N00.8 Recurrent and persistent haematuria N02 Chronic nephritic syndrome N03 Nephrotic syndrome N04 Unspecified nephritic syndrome N05 Isolated proteinuria with specified N06 morphological lesion Persistent proteinuria, unspecified N39.1 Renal Chronic tubulointerstitial nephritis N11 tubulointerstitial diseases Tubulointerstitial nephritis, not specified as acute N12 or chronic Drug- and heavy-metal-induced tubulointerstitial N14 and tubular conditions Other renal tubulointerstitial diseases N15 Renal tubulointerstitial disorders in diseases N16.* Exclude N16.4* classified elsewhere Other specified disorders of carbohydrate E74.8 metabolism Disorders of amino-acid transport E72.0 Nephrogenic diabetes insipidus N25.1 Autoimmune diseases Systemic lupus erythematosus + M N08.5* Glomerular disorders Systemic lupus erythematosus + Renal M N16.4* tubulointerstitial diseases Sicca syndrome [Sjögren] + Renal M N16.4* tubulointerstitial diseases Goodpasture syndrome + Glomerular disorders M N08.5* Goodpasture syndrome associated with glomerulonephritis M Beijing edition 4.0 page S135

2 Appendix One Definitions of ICD coding page S Coding of Various CKD Etiologies CKD + Hypertension of unknown cause Other chronic kidney failure, unknown cause Obstructive nephropathy Etiology of CKD ICD Coding Remark 1 Microscopic polyangiitis + Glomerular disorders M N08.5* ANCA-associated glomerulonephritis M Beijing edition 4.0 Thrombotic thrombocytopenic purpura M N08.5* Beijing edition 4.0 associated with glomerular disorders Wegener granulomatosis associated with glomerular disorders M N08.5* China edition 1.0 Chronic kidney disease Unspecified kidney failure Chronic kidney disease Unspecified kidney failure Hydronephrosis with ureteropelvic junction obstruction Hydronephrosis with ureteral stricture, not elsewhere classified Hydronephrosis with renal and ureteral calculous obstruction N18 combined with I10 N19 combined with I10 N18 not combined with I10 N19 not combined with I10 N13.0 N13.1 N13.2 Exclude CKD combined with other than N19 Exclude CKD combined with other than N18 and not combined with AKI 2 Exclude CKD combined with other than N19 Exclude CKD combined with other than N18 and not combined with AKI 2 Renal cell carcinoma Malignant neoplasm of kidney C64 Other related diagnosis Hereditary nephropathy, not elsewhere classified N07 Glomerular disorders in diseases N08* Exclude N08.5* classified elsewhere Pyonephrosis N13.6 Renal agenesis and other reduction Q60 defects of kidney Polycystic kidney, autosomal recessive Q61.1 Polycystic kidney, autosomal dominant Q61.2 Polycystic kidney, unspecified Q61.3 Medullary cystic kidney, Sponge kidney NOS Q61.5 Lobulated, fused and horseshoe kidney Q63.1 Congenital malformation of kidney, unspecified Q63.9 Gout due to impairment of renal function M10.3 Unspecified contracted kidney N26 Ischaemia and infarction of kidney N28.0 Other specified disorders of kidney and ureter N28.8 Disorder of kidney and ureter, unspecified N28.9 Glomerular disease in syphilis + A N08.0* Postprocedural renal failure N99.0 Congenital renal failure P96.0 Extrarenal uraemia R39.2 Hepatorenal syndrome K76.7 Congenital renal artery stenosis Q27.1 Atherosclerosis of renal artery I70.1 Aortic arch syndrome + Renovascular hypertension M I If no specific instruction in notes, the codes in the national 1.0 edition and the Beijing 4.0 edition are the same. 2 P96.0 (congenital renal failure), N14 (drug- and heavy-metal-induced tubulointerstitial and tubular conditions), R39.2 (extrarenal uremia), N00 (acute nephritic syndrome), N10 (acute tubulointerstitial nephritis). P96.0 (congenital renal failure), N14 (drug- and heavy-metal-induced tubulointerstitial and tubular conditions), R39.2 (extrarenal uraemia), N00 (acute nephritic syndrome), N10 (acute tubulointerstitial nephritis).

3 Appendix One Definitions of ICD coding page S Coding of CKD Stages Stage of CKD ICD Coding ICD-10 edition Chronic kidney disease stage 1 N Beijing edition 4.0 N China edition 1.0 Chronic kidney disease stage 2 N Beijing edition 4.0 N China edition 1.0 Chronic kidney disease stage 3 N Beijing edition 4.0 N China edition 1.0 Chronic kidney disease stage 4 N Beijing edition 4.0 N China edition 1.0 Chronic kidney disease stage 5 N Beijing edition 4.0 N China edition Coding of Comorbid Conditions of CKD Comorbid Etiology of subdivision ICD Coding Remark Conditions of CKD Diabetes mellitus Type 1 diabetes mellitus E10 Type 2 diabetes mellitus E11 Malnutrition-related diabetes mellitus E12 Other specified diabetes mellitus E13 Unspecified diabetes mellitus E14 Hypertension Essential (primary) hypertension I10 Hypertensive heart disease I11 Hypertensive renal disease I12 Hypertensive heart and renal disease I13 Secondary hypertension I15 Infectious diseases Pneumonia J12-J18 Sepsis A41 Hepatitis B B16 B17.0 B18.0 B18.1 Hepatitis C B17.1 B18.2 Syphilis A51 A52 Human immunodeficiency virus [HIV] B20 Other infectious diseases A49.9 J20-J22 A00-A09 A15-A19 N10 B15-B19 Exclude Hepatitis B and Hepatitis C Neoplasms C00-D49 Exclude C64 (malignant neoplasm of kidney)

4 Appendix One Definitions of ICD coding page S Coding of CVD CVD Etiology of subdivision ICD Coding Remark 1 Acute STEMI I21.0 coronary syndrome I21.1 I21.2 I21.3 I21.9 NSTEMI I21.4 I20.0 I20.1 I20.9 Others I22 I24 Other coronary Chronic ischaemic heart disease I25 heart disease Exertional angina pectoris I Beijing edition 4.0 I China edition 1.0 Postinfarction angina pectoris I Beijing edition 4.0 I China edition 1.0 Syndrome X I Beijing edition 4.0 I China edition 1.0 Stable angina pectoris I Beijing edition 4.0 I China edition 1.0 Mixed angina pectoris I Beijing edition 4.0 I China edition 1.0 Heart failure I50 Other heart diseases Dilated cardiomyopathy I42.0 Other hypertrophic cardiomyopathy I42.2 Other restrictive cardiomyopathy I42.5 Cardiomyopathy, unspecified I42.9 Cardiovascular disease, unspecified I51.6 Heart disease, unspecified I51.9 Pulmonary oedema J81 Cerebral stroke Subarachnoid haemorrhage I60 Intracerebral haemorrhage I61 Acute ischemic cerebral stroke I63 I64 H If no specific instruction in notes, the codes in the national 1.0 edition and the Beijing 4.0 edition are the same. 4. Coding of CVD Operations Operation Coding Coronary angiography (CAG) Percutaneous coronary intervention (PCI) Coronary artery bypass grafting (CABG)

5 Appendix One Definitions of ICD coding page S Comparison of Patients with CKD and DM Disease Etiology of subdivision ICD Coding Diabetes mellitus Type 1 diabetes mellitus E10 Type 2 diabetes mellitus E11 Other specified diabetes mellitus E13 Non-CKD Adult patients without CKD 6. Coding of AKI AKI ICD Coding Remark Acute renal failure N17 Rapidly progressive nephritic syndrome N01 Traumatic anuria T79.5 Haemolytic-uraemic syndrome D59.3 Hepatorenal syndrome K76.7 Postpartum acute renal failure O90.4 Pregnancy with abortive outcome O01-O07 + O08.4 Postpartum acute renal failure O90.4 Postprocedural disorders of genitourinary N99.0 system, not elsewhere classified Chronic glomerulonephritis with rapidly N Beijing edition 4.0 progressive glomerulonephritis Acute tubulointerstitial nephritis N10.X00 China edition 1.0 Acute interstitial nephritis N10.X01 Beijing edition 4.0 Acute Infectious interstitial nephritis N10XX03 China edition 1.0 TINU syndrome N10xx04 + H20.9* China edition 1.0

6 Appendix II: List of ICD codes Code A00-A09 A15-A19 A20-A28 A30-A49 A50-A64 A65-A69 A70-A74 A75-A79 A80-A89 A90-A99 B00-B09 B15-B19 B20-B24 B25-B34 B35-B49 B50-B64 B65-B83 B85-B89 B90-B94 B95-B97 B99 C00-C14 C15-C26 C30-C39 C40-C41 C43-C44 C45-C49 C50 C51-C58 C60-C63 C64-C68 C69-C72 C73-C75 C76-C80 Disease Intestinal infectious diseases Tuberculosis Certain zoonotic bacterial diseases Other bacterial diseases Infections with a predominantly sexual mode of transmission Other spirochaetal diseases Other diseases caused by chlamydiae Rickettsioses Viral infections of the central nervous system Arthropod-borne viral fevers and viral haemorrhagic fevers Viral infections characterized by skin and mucous membrane lesions Viral hepatitis Human immunodeficiency virus (HIV) disease Other viral diseases Mycoses Protozoal diseases Helminthiases Pediculosis, acariasis and other infestations Sequelae of infectious and parasitic diseases Bacterial, viral and other infectious agents Other infectious diseases Malignant neoplasms of lip, oral cavity and pharynx Malignant neoplasms of digestive organs Malignant neoplasms of respiratory and intrathoracic organs Malignant neoplasms of bone and articular cartilage Melanoma and other malignant neoplasms of skin Malignant neoplasms of mesothelial and soft tissue Malignant neoplasm of breast Malignant neoplasms of female genital organs Malignant neoplasms of male genital organs Malignant neoplasms of urinary tract Malignant neoplasms of eye, brain and other parts of central nervous system Malignant neoplasms of thyroid and other endocrine glands Malignant neoplasms of ill-defined, secondary and unspecified sites Merged on three-digit ICD axis Code C81-C96 C97 D00-D09 D10-D36 D37-D48 D50-D53 D55-D59 D60-D64 D65-D69 D70-D77 D80-D89 E00-E07 E10-E14 E15-E16 E20-E35 E40-E46 E50-E64 E65-E68 E70-E90 F00-F09 F10-F19 F20-F29 F30-F39 F40-F48 F50-F59 F60-F69 F70-F79 F80-F89 F90-F98 F99 G00-G09 G10-G13 G14 Disease Malignant neoplasms of lymphoid, haematopoietic and related tissue Malignant neoplasms of independent (primary) multiple sites In situ neoplasms Benign neoplasms Neoplasms of uncertain or unknown behaviour Nutritional anaemias Haemolytic anaemias Aplastic and other anaemias Coagulation defects, purpura and other haemorrhagic conditions Other diseases of blood and bloodforming organs Certain disorders involving the immune mechanism Disorders of thyroid gland Diabetes mellitus Other disorders of glucose regulation and pancreatic internal secretion Disorders of other endocrine glands Malnutrition Other nutritional deficiencies Obesity and other hyperalimentation Metabolic disorders Organic, including symptomatic, mental disorders Mental and behavioural disorders due to psychoactive substance use Schizophrenia, schizotypal and delusional disorders Mood (affective) disorders Neurotic, stress-related and somatoform disorders Behavioural syndromes associated with physiological disturbances and physical factors Disorders of adult personality and behaviour Mental retardation Disorders of psychological development Behavioural and emotional disorders with onset usually occurring in childhood and adolescence Mental disorder, not otherwise specified Inflammatory diseases of the central nervous system Systemic atrophies primarily affecting the central nervous system post-poliomyelitis syndrome page S140

7 Appendix two List of ICD codes page S141 Code Disease Code Disease G20-G26 Extrapyramidal and movement disorders K50-K52 Noninfective enteritis and colitis G30-G32 G35-G37 G40-G47 G50-G59 G60-G64 G70-G73 G80-G83 G90-G99 H00-H06 H10-H13 H15-H22 H25-H28 H30-H36 Other degenerative diseases of the nervous system Demyelinating diseases of the central nervous system Episodic and paroxysmal disorders Nerve, nerve root and plexus disorders Polyneuropathies and other disorders of the peripheral nervous system Diseases of myoneural junction and muscle Cerebral palsy and other paralytic syndromes Other disorders of the nervous system Disorders of eyelid, lacrimal system and orbit Disorders of conjunctiva Disorders of sclera, cornea, iris and ciliary body Disorders of lens Disorders of choroid and retina K55-K63 K65-K67 K70-K77 K80-K87 K90-K93 L00-L08 L10-L14 L20-L30 L40-L45 L50-L54 L55-L59 L60-L75 L80-L99 Other diseases of intestines Diseases of peritoneum Diseases of liver Disorders of gallbladder, biliary tract and pancreas Other diseases of the digestive system Infections of the skin and subcutaneous tissue Bullous disorders Dermatitis and eczema Papulosquamous disorders Urticaria and erythema Radiation-related disorders of the skin and subcutaneous tissue Disorders of skin appendages Other disorders of the skin and subcutaneous tissue H40-H42 Glaucoma M00-M25 Arthropathies H43-H45 Disorders of vitreous body and globe M30-M36 Systemic connective tissue disorders H46-H48 Disorders of optic nerve and visual pathways M40-M54 Dorsopathies H49-H52 H53-H54 H55-H59 Disorders of ocular muscles, binocular movement, accommodation and refraction Visual disturbances and blindness Other disorders of eye and adnexa M60-M79 M80-M94 M95-M99 Soft tissue disorders Osteopathies and chondropathies Other disorders of the musculoskeletal system and connective tissue H60-H62 Diseases of external ear N00-N08 Glomerular diseases H65-H75 Diseases of middle ear and mastoid N10-N16 Renal tubulointerstitial diseases H80-H83 Diseases of inner ear N17-N19 Renal failure H90-H95 Other disorders of ear N20-N23 Urolithiasis I00-I02 Acute rheumatic fever N25-N29 Other disorders of kidney and ureter I05-I09 Chronic rheumatic heart diseases N30-N39 Other diseases of the urinary system I10-I15 Hypertensive diseases N40-N51 Diseases of male genital organs I20-I25 Ischaemic heart diseases N60-N64 Disorders of breast I26-I28 I30-I52 Pulmonary heart disease and diseases of pulmonary circulation Other forms of heart disease N70-N77 N80-N98 Inflammatory diseases of female pelvic organs Noninflammatory disorders of female genital tract I60-I69 Cerebrovascular diseases N99 Other disorders of the genitourinary tract I70-I79 Diseases of arteries, arterioles and capillaries O00-O08 Pregnancy with abortive outcome I80-I89 I95-I99 J00-J06 J09-J18 J20-J22 J30-J39 J40-J47 J60-J70 J80-J84 J85-J86 J90-J94 J95-J99 K00-K14 K20-K31 K35-K38 K40-K46 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified Other and unspecified disorders of the circulatory system Acute upper respiratory infections Influenza and pneumonia Other acute lower respiratory infections Other diseases of upper respiratory tract Chronic lower respiratory diseases Lung diseases due to external agents Other respiratory diseases principally affecting the interstitium Suppurative and necrotic conditions of lower respiratory tract Other diseases of pleura Other diseases of the respiratory system Diseases of oral cavity, salivary glands and jaws Diseases of oesophagus, stomach and duodenum Diseases of appendix Hernia O10-O16 O20-O29 O30-O48 O60-O75 O80-O84 O85-O92 O94-O99 P00-P04 P05-P08 P10-P15 P20-P29 P35-P39 Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium Other maternal disorders predominantly related to pregnancy Maternal care related to the fetus and amniotic cavity and possible delivery problems Complications of labour and delivery Delivery Complications predominantly related to the puerperium Other obstetric conditions,not elsewhere classified Fetus and newborn affected by maternal factors and by complications of pregnancy, labour and delivery Disorders related to length of gestation and fetal growth Birth trauma Respiratory and cardiovascular disorders specific to the perinatal period Infections specific to the perinatal period

8 Appendix two List of ICD codes page S142 Code Disease Code Disease P50-P61 Haemorrhagic and haematological disorders of fetus and newborn R70-R79 Abnormal findings on examination of blood, without diagnosis P70-P74 Transitory endocrine and metabolic disorders specific to fetus and newborn R80-R82 Abnormal findings on examination of urine, without diagnosis P75-P78 P80-P83 P90-P96 Digestive system disorders of fetus and newborn Conditions involving the integument and temperature regulation of fetus and newborn Other disorders originating in the perinatal period R83-R89 R90-R94 R95-R99 Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis Abnormal findings on diagnostic imaging and in function studies, without diagnosis Ill-defined and unknown causes of mortality Q00-Q07 Q10-Q18 Q20-Q28 Q30-Q34 Q35-Q37 Q38-Q45 Q50-Q56 Q60-Q64 Q65-Q79 Q80-Q89 Q90-Q99 R00-R09 R10-R19 R20-R23 R25-R29 R30-R39 R40-R46 R47-R49 R50-R69 Congenital malformations of the nervous system Congenital malformations of eye, ear, face and neck Congenital malformations of the circulatory system Congenital malformations of the respiratory system Cleft lip and cleft palate Other congenital malformations of the digestive system Congenital malformations of genital organs Congenital malformations of the urinary system Congenital malformations and deformations of the musculoskeletal system Other congenital malformations Chromosomal abnormalities, not elsewhere classified Symptoms and signs involving the circulatory and respiratory systems Symptoms and signs involving the digestive system and abdomen Symptoms and signs involving the skin and subcutaneous tissue Symptoms and signs involving the nervous and musculoskeletal systems Symptoms and signs involving the urinary system Symptoms and signs involving cognition, perception, emotional state and behaviour Symptoms and signs involving speech and voice General symptoms and signs S00-S09 S10-S19 S20-S29 S30-S39 S40-S49 S50-S59 S60-S69 S70-S79 S80-S89 S90-S99 T00-T07 T08-T14 T15-T19 T20-T32 T33-T35 T36-T50 T51-T65 T66-T78 T79 T80-T88 T90-T98 U04 Injuries to the head Injuries to the neck Injuries to the thorax Injuries to the abdomen, lower back, lumbar spine and pelvis Injuries to the shoulder and upper arm Injuries to the elbow and forearm Injuries to the wrist and hand Injuries to the hip and thigh Injuries to the knee and lower leg Injuries to the ankle and foot Injuries involving multiple body regions Injuries to unspecified part of trunk, limb or body region Effects of foreign body entering through natural orifice Burns and corrosions Frostbite Poisoning by drugs, medicaments and biological substances Toxic effects of substances chiefly nonmedicinal as to source Other and unspecified effects of external causes Certain early complications of trauma Complications of surgical and medical care, not elsewhere classified Sequelae of injuries, of poisoning and of other consequences of external causes Severe acute respiratory syndrome

9 Appendix III: Prediction model Using the generalized linear model (GENMOD) to generate the prediction: Ŷ=exp ( x₁ x₂ x₃ x₅ x₆ x₈) 7. Parameter estimation Variable DF Estimate 95% Confidence Interval Pr>ChiSq Constant (β) < Hospital attribute I (x 1 ) < Hospital attribute II (x 2 ) < Hospital attribute III (x 3 ) < Hospital attribute IV (x 4 ) Hospital level class 3 A (x 5 ) < Hospital level class 3 B (x 8 ) < Hospital level others (x 7 ) Hospital bed space (x 8 ) < Hospital attribute I includes children s, maternal and child health care, obstetrics and gynecology, ophthalmic, and otolaryngology hospitals. 2 Hospital attribute II includes tuberculosis, Chinese medicine, dermatology, and stomatological hospitals; hospital of traditional Chinese and Western medicine; medical research institution; and national hospital. 3 Hospital attribute III includes cardiovascular and other specialty hospital; township clinic; tumour, general, chest, and hematology hospitals. 4 Hospital attribute IV includes rehabilitation, occupational disease, orthopedic, and psychiatric hospitals. page S143

10 Appendix IV: Table list Chapter 1: Patients With CKD in the Hospitalized Population S9 Table CKD and other diseases in the dataset S10 Table Patients with CKD and other diseases S11 Table Patients with CKD, stratified by age and sex S11 Table Geographic distribution of patients with CKD and estimated number of patients in class 3 hospitals S12 Table Hospitalization rates for CKD and diabetes in class 3 hospitals S12 Chapter 2: Treatment of Patients With CKD S13 Table Admissions of patients with CKD, stratified by hospital nephrology unit status S14 Table Admissions of patients with CKD, stratified by hospital nephrology unit status S14 Table Admissions of patients with CKD, stratified by disease category and hospital nephrology unit status S15 Table Diagnosis categories of patients with CKD S16 Table Admissions of patients with CKD, by hospital division S16 Table Admissions of patients with CKD, by Medicine subspeciality S17 Table Admissions of patients with CKD, by hospital division, stratified by cause, absolute numbers S18 Table Admissions of patients with CKD, by hospital division, stratified by cause, percentages S19 Table Admissions of patients with CKD, by Medicine subspecialty, stratified by cause, absolute numbers S20 Table Admissions of patients with CKD, by Medicine subspecialty, stratified by cause, percentages S20 Table Patients stratified by CKD stage S21 Chapter 3: Disease Causes & Geographic Distribution of Patients With CKD S22 Table Patients with CKD, stratified by cause S23 Table Patients with CKD, stratified by number of causes S24 Table Clinical classification of patients with GN S24 Table Pathological diagnosis of patients with GN S25 Table Age of patients with CKD, stratified by cause S26 Table Age and sex of patients with CKD, stratified by cause S27 Table Residences of patients with CKD S29 Table Residences of patients with GN S30 Table Residences of patients with DN S31 Table Residences of patients with CKD of unknown cause S32 Table Residences of patients with CKD-HT S33 Table Residences of patients with other CKD S34 Table Residences of patients with obstructive nephropathy S35 Table Residences of patients with HTN S36 Table Residences of patients with renal cancer S37 Table Residences of patients with TIN S38 Table Residences of patients with CKD due to autoimmune diseases S39 Chapter 4: Comorbid Conditions of Patients With CKD S40 Table Comorbid conditions of patients with CKD or DM or without CKD S41 page S144

11 Appendix four Table list page S145 Table HT among patients with CKD or DM or without CKD, stratified by age and sex S42 Table DM among patients with CKD or without CKD, stratified by age and sex S43 Table Infection among patients with CKD or DM or without CKD, stratified by age and sex... S44 Table Tumors among patients with CKD or DM or without CKD, stratified by age and sex... S45 Table Infectious diseases among patients with CKD or DM or without CKD S46 Table Pneumonia among patients with CKD or DM or without CKD, stratified by age and sex S47 Table HBV among patients with CKD or DM or without CKD, stratified by age and sex S48 Table Septicaemia among patients with CKD or DM or without CKD, stratified by age and sex S49 Table HCV among patients with CKD or DM or without CKD, stratified by age and sex..... S50 Table Syphilis among patients with CKD or DM or without CKD, stratified by age and sex... S51 Table HIV among patients with CKD or DM or without CKD, stratified by age and sex S52 Table Comorbid conditions, stratified by cause of CKD S53 Table Infectious comorbid conditions, stratified by cause of CKD S54 Chapter 5: Cardiovascular Disease in Patients With CKD S55 Table Type of CVD among patients with CKD or DM or without CKD S57 Table CVD among patients with CKD or DM or without CKD, stratified by age and sex S58 Table ACS among patients with CKD or DM or without CKD, stratified by age and sex S59 Table CHF among patients with CKD or DM or without CKD, stratified by age and sex S60 Table Stroke among patients with CKD or DM or without CKD, stratified by age and sex.... S61 Table Other CHD among patients with CKD or DM or without CKD, stratified by age and sex.. S62 Table Other heart diseases among patients with CKD or DM or without CKD, stratified by age and sex S63 Table ACS among patients with CKD or DM or without CKD S64 Table STEMI among patients with CKD or DM or without CKD, stratified by age and sex.... S65 Table NSTEMI among patients with CKD or DM or without CKD, stratified by age and sex.... S66 Table Other ACS among patients with CKD or DM or without CKD S67 Table CVD among patients with CKD, stratified by cause S68 Table ACS among patients with CKD, stratified by cause S69 Table CVD among patients with CKD, stratified by stage S70 Table ACS among patients with CKD, stratified by stage S71 Table Treatment of ACS among patients with CKD or DM or without CKD S72 Table CAG for ACS among patients with CKD or DM or without CKD, stratified by age and sex S73 Table PCI for ACS among patients with CKD or DM or without CKD, stratified by age and sex S74 Table CABG for ACS among patients with CKD or DM or without CKD, stratified by age and sex S75 Table Treatment of ACS among patients with CKD, stratified by cause S76 Table Treatment of ACS among patients with CKD, stratified by stage S77 Table Treatment of other CHD among patients with CKD or DM or without CKD S78 Table CAG for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S79 Table PCI for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S80 Table CABG for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S81 Table Treatment of other CHD among patients with CKD, stratified by cause S82 Table Treatment of other CHD among patients with CKD, stratified by CKD stage S83 Chapter 6: In-hospital Mortality of Patients With CKD S84 Table In-hospital mortality of patients with CKD or DM or without CKD S85 Table In-hospital mortality of patients with CKD or DM or without CKD, stratified by age and sex S86 Table In-hospital mortality of patients with CKD, stratified by comorbid condition S87 Table In-hospital mortality of patients with CKD, stratified by number of comorbid conditions S87 Table In-hospital mortality of patients with CKD, stratified by geographic region S89

12 Appendix four Table list page S146 Table Table Table In-hospital mortality of patients with CKD, stratified by cause S90 Primary diagnosis of deceased patients with CKD S90 Primary diagnosis of deceased CKD patients with CKD with non-ckd primary diagnosis S91 Chapter 7: Length-of-Stay of Patients With CKD S92 Table Length-of-stay in days of CKD, DM, and non-ckd patients S93 Table Length-of-stay in days, stratified by comorbid condition S94 Table Length-of-stay in days, stratified by geographic region of hospitalization S95 Table Length-of-stay, stratified by CKD cause S96 Chapter 8: Costs of Patients With CKD S97 Table Costs of CKD, DM, and non-ckd patients, stratified by type of health insurance..... S99 Table Breakdown of costs S100 Table Median costs of CKD, DM, and non-ckd patients S101 Table Median costs, stratified by comorbid conditions S102 Table Median costs, stratified by geographic region of hospital S103 Table Median cost, stratified by CKD cause S104 Chapter 9: Other Aspects of Patients With CKD S105 Table Urban-rural comparison, stratified by admission division S106 Table Urban-rural comparison, stratified by comorbid condition S107 Table Urban-rural comparison, stratified by cause S108 Table Urban-rural comparison, stratified by mortality, costs, and length-of-stay S109 Table Urban-rural comparison, stratified by discharge status S109 Table Comorbid conditions among patients with CKD, renal division vs. non-renal division S110 Table Causes of CKD, renal division vs. non-renal division S111 Table Mortality, costs, and length-of-stay, renal division vs. non-renal division S112 Table Interaction between CKD and DM patients, stratified by admission division S113 Table Comorbid conditions among patients with CKD or DM S115 Table Treatment of ACS among patients with CKD or DM S116 Table Treatment of other CHD among patients with CKD or DM S116 Table Interaction between CKD and DM: mortality, costs, and length-of-stay S117 Chapter 10: Acute Kidney Injury S118 Table Geographic distribution of patients with AKI S120 Table Patients with AKI, stratified by sex S121 Table Patients with AKI, stratified by age S121 Table Patients with AKI, stratified by division S122 Table Patients with AKI, stratified by division of Medicine subspeciality S123 Table Patients with AKI, stratified by division of Surgery subspeciality S124 Table Patients with AKI, stratified by cause S125 Table Patients with AKI, stratified by principal diagnosis S125 Table Patients with AKI, stratified by principal diagnoses except AKI or CKD S126 Table Mortality, costs, and length-of-stay of patients with AKI S127 Table Mortality, costs, and length-of-stay of patients with AKI, stratified by hospital type... S127 Chapter 11: Kidney Transplant Waiting List S128 Table Number of transplant candidates S129 Table Geographic distribution of transplant candidates S130 Table Transplant candidates, stratified by sex S131 Table Transplant candidates, stratified by age S131 Table Transplant candidates, stratified by cause of kidney failure S132 Table Transplant candidates, stratified by dialysis status S133 Table Transplant candidates, stratified by reason for removal from waiting list S134 Table Active transplant candidates, stratified by waiting time S134

13 Appendix V: Figure list Chapter 1: Patients With CKD in the Hospitalized Population S9 Figure CKD and other diseases in the dataset S10 Figure Patients with CKD and other diseases S11 Figure Patients with CKD, stratified by age and sex S11 Chapter 2: Treatment of Patients With CKD S13 Figure Admissions of patients with CKD, stratified by hospital size S14 Figure Admission of patients with CKD, stratified by hospital nephrology unit status S14 Figure Admissions of patients with CKD, stratified by disease category and hospital nephrology unit status S15 Figure Admissions of patients with CKD, by hospital division S16 Figure Admissions of patients with CKD, by Medicine subspeciality S17 Figure Admissions of patients with CKD, by hospital division, stratified by cause, absolute numbers S18 Figure Admissions of patients with CKD, by hospital division, stratified by cause, percentages S19 Figure Patients with CKD, stratified by stage S21 Chapter 3: Disease Causes & Geographic Distribution of Patients With CKD S22 Figure Patients with CKD, stratified by cause S23 Figure Patients with CKD, stratified by number of causes S24 Figure Clinical classification of patients with GN S24 Figure Pathological diagnosis of patients with GN S25 Figure Age of patients with CKD, stratified by cause S26 Figure Age and sex of patients with CKD, stratified by cause S27 Figure Residences of patients with CKD, stratified by cause S28 Figure Geographic distribution of residences of patients with CKD S29 Figure Geographic distribution of residences of patients with GN S30 Figure Geographic distribution of residences of patients with DN S31 Figure Geographic distribution of residences of patients with CKD of unknown cause..... S32 Figure Geographic distribution of residences of patients with CKD-HT S33 Figure Geographic distribution of residences of patients with other CKD S34 Figure Geographic distribution of residences of patients with obstructive nephropathy.... S35 Figure Geographic distribution of residences of patients with HTN S36 Figure Geographic distribution of residences of patients with renal cancer S37 Figure Geographic distribution of residences of patients with TIN S38 Figure Geographic distribution of residences of patients with CKD due to autoimmune diseases S39 Chapter 4: Comorbid Conditions of Patients With CKD S40 Figure Comorbid conditions of patients with CKD or DM or without CKD S41 Figure HT among patients with CKD or DM or without CKD, stratified by age and sex S42 Figure DM among patients with CKD or without CKD, stratified by age and sex S43 Figure Infection among patients with CKD or DM or without CKD, stratified by age and sex... S44 Figure Tumors among patients with CKD or DM or without CKD, stratified by age and sex... S45 Figure Infectious diseases among patients with CKD or DM or without CKD S46 Figure Pneumonia among patients with CKD or DM or without CKD, stratified by age and sex. S47 page S147

14 Appendix five Figure list page S148 Figure Figure Figure Figure Figure Figure Figure HBV among patients with CKD or DM or without CKD, stratified by age and sex S48 Septicaemia among patients with CKD or DM or without CKD, stratified by age and sex. S49 HCV among patients with CKD or DM or without CKD, stratified by age and sex..... S50 Syphilis among patients with CKD or DM or without CKD, stratified by age and sex... S51 HIV among patients with CKD or DM or without CKD, stratified by age and sex S52 Comorbid conditions, stratified by cause of CKD S53 Infectious comorbid conditions, stratified by cause of CKD S54 Chapter 5: Cardiovascular Disease in Patients With CKD S55 Figure CVD among patients with CKD or DM or without CKD S56 Figure Type of CVD among patients with CKD or DM or without CKD S57 Figure CVD among patients with CKD or DM or without CKD, stratified by age and sex S58 Figure ACS among patients with CKD or DM or without CKD, stratified by age and sex S59 Figure CHF among patients with CKD or DM or without CKD, stratified by age and sex S60 Figure Stroke among patients with CKD or DM or without CKD, stratified by age and sex.... S61 Figure Other CHD among patients with CKD or DM or without CKD, stratified by age and sex.. S62 Figure Other heart diseases among patients with CKD or DM or without CKD, stratified by age and sex S63 Figure ACS among patients with CKD or DM or without CKD S64 Figure STEMI among patients with CKD or DM or without CKD, stratified by age and sex.... S65 Figure NSTEMI among patients with CKD or DM or without CKD, stratified by age and sex.... S66 Figure Other ACS among patients with CKD or DM or without CKD S67 Figure CVD among patients with CKD, stratified by cause S68 Figure ACS among patients with CKD, stratified by cause S69 Figure CVD among patients with CKD, stratified by stage S70 Figure CVD among patients with CKD, stratified by stage S70 Figure ACS among patients with CKD, stratified by stage S71 Figure Treatment of ACS among patients with CKD or DM or without CKD S72 Figure CAG for ACS among patients with CKD or DM or without CKD, stratified by age and sex. S73 Figure PCI for ACS among patients with CKD or DM or without CKD, stratified by age and sex. S74 Figure CABG for ACS among patients with CKD or DM or without CKD, stratified by age and sex S75 Figure Treatment of ACS among patients with CKD, stratified by cause S76 Figure Treatment of ACS among patients with CKD, stratified by stage S77 Figure Treatment of other CHD among patients with CKD or DM or without CKD S78 Figure CAG for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S79 Figure PCI for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S80 Figure CABG for other CHD among patients with CKD or DM or without CKD, stratified by age and sex S81 Figure Treatment of other CHD among patients with CKD, stratified by cause S82 Figure Treatment of other CHD among patients with CKD, stratified by stage S83 Chapter 6: In-hospital Mortality of Patients With CKD S84 Figure In-hospital mortality of patients with CKD or DM or without CKD S85 Figure In-hospital mortality of patients with CKD or DM or without CKD, stratified by age and sex S86 Figure In-hospital mortality of patients with CKD, stratified by comorbid condition S87 Figure In-hospital mortality of patients with CKD, stratified by number of comorbid conditions S87 Figure In-hospital mortality of patients with CKD, stratified by geographic region of hospital. S88 Figure In-hospital mortality of local patients with CKD, stratified by geographic region of residency S88 Figure In-hospital mortality of patients with CKD, stratified by geographic region S89 Figure In-hospital mortality of patients with CKD, stratified by cause S90 Figure Primary diagnosis of deceased CKD patients with non-ckd primary diagnosis S91 Chapter 7: Length-of-Stay of Patients With CKD S92 Figure Length-of-stay of CKD, DM, and non-ckd patients S93

15 Appendix five Figure list page S149 Figure Figure Figure Figure Length-of-stay, stratified by comorbid conditions S94 Length-of-stay of patients with CVD S94 Length-of-stay, stratified by geographic region of hospitalization S95 Length-of-stay, stratified by cause S96 Chapter 8: Costs of Patients With CKD S97 Figure Types of health insurance S98 Figure Median costs of CKD, DM, and non-ckd patients, stratified by type of health insurance S99 Figure Breakdown of costs S100 Figure Median costs of CKD, DM, and non-ckd patients S101 Figure Median costs, stratified by comorbid conditions S102 Figure Median cost, stratified by geographic region of hospital S103 Figure Costs (1,000 yuan), stratified by CKD cause S104 Figure Median cost, stratified by CKD cause S104 Chapter 9: Other Aspects of Patients With CKD S105 Figure Urban-rural comparison, stratified by admission division S106 Figure Urban-rural comparison, stratified by comorbid condition S107 Figure Urban-rural comparison, stratified by type of CVD S107 Figure Urban-rural comparison, stratified by cause S108 Figure Urban-rural comparison, stratified by cause S108 Figure Urban-rural comparison, stratified by mortality, costs, and length-of-stay S109 Figure Comorbid conditions among patients with CKD, renal division vs. non-renal division S110 Figure CVD among patients with CKD, renal division vs. non-renal division S110 Figure Causes of CKD, renal division vs. non-renal division S111 Figure Causes of CKD, renal division vs. non-renal division S111 Figure Mortality, costs, and length-of-stay, renal division vs. non-renal division S112 Figure Interaction between CKD and DM patients, stratified by admission division S113 Figure Comorbid conditions among patients with CKD or DM S114 Figure Infection among patients with CKD or DM S114 Figure CVD among patients with CKD or DM S114 Figure Treatment of ACS among patients with CKD or DM S116 Figure Treatment of other CHD among patients with CKD or DM S116 Figure Interaction between CKD and DM: mortality, costs, and length-of-stay S117 Chapter 10: Acute Kidney Injury S118 Figure Geographic distribution of patients with AKI S119 Figure Geographic distribution of patients with AKI S119 Figure Patients with AKI, stratified by sex S121 Figure Patients with AKI, stratified by age S121 Figure Patients with AKI, stratified by division S122 Figure Patients with AKI, stratified by division of Medicine subspeciality S123 Figure Patients with AKI, stratified by division of Surgery subspeciality S124 Figure Patients with AKI, stratified by cause S125 Figure Patients with AKI, stratified by top 20 principal diagnoses except AKI or CKD S126 Figure Mortality, costs, and length-of-stay of patients with AKI S127 Chapter 11: Kidney Transplant Waiting List S128 Figure Geographic distribution of transplant candidates S129 Figure Transplant candidates, stratified by sex S131 Figure Transplant candidates, stratified by age in years S131 Figure Transplant candidates, stratified by cause of kidney failure S132 Figure Transplant candidates, stratified by dialysis status S133 Figure Transplant candidates, stratified by reason for removal from waiting list S134 Figure Active transplant candidates, stratified by waiting time S134