Supplementary Online Content

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1 Supplementary Online Content Likosky DS, Zhou W, Malenka DJ, Borden WB, Nallamothu BK, Skinner JS. rowth in Medicare expenditures for patients with acute myocardial infarction: a comparison of 1998 through 1999 and JAMA Intern Med. Published online September 23, doi: /jamainternmed efigure. Inclusion and Exclusion Criteria Into the Study etable 1. to CROSS-WALK etable 2. to CROSS-WALK This supplementary material has been provided by the authors to give readers additional information about their work.

2 efigure. Inclusion and Exclusion Criteria Into the Study

3 AMI: 410.*0 or 410.*1 N=127, AMI: 410.*0 or 410.*1 N=313,399 Index hospitalization other than Acute Care Hospital; N=125,930 N=309,608 Age<65; non-us resident; at least 1 month not in HMO; Entitlement for Part A&B for whole year since index admitted date. N=106,707 N=221,420 Discharged alive with a total length of stay <1 day and who were not transferred. N=105,074 N=212,329

4 etable1. to CROSS-WALK 5 EXTRACRANIAL VASCULAR PROCEDURES DEENERATIVE NERVOUS SYSTEM DISORDERS SPECIFIC CEREBROVASCULAR DISORDERS EXCEPT TIA OTHER RESP SYSTEM O.R. PROCEDURES W CC RESPIRATORY INFECTIONS & INFLAMMATIONS AE >17 W CC PULMONARY EDEMA & RESPIRATORY FAILURE CHRONIC OBSTRUCTIVE PULMONARY DISEASE SIMPLE PNEUMONIA & PLEURISY AE >17 W CC CARDIAC VALVE & OTH MAJ CARDIOTHORACIC PROC W CARD CATH 105 CARDIAC VALVE & OTH MAJ CARDIOTHORACIC PROC W/O CARD CATH CORONARY BYPASS WITH PTCA CORONARY BYPASS W CARDIAC CATH

5 108 OTHER CARDIOTHORACIC PROCEDURES CORONARY BYPASS W/O CARDIAC CATH > 10/01/ MAJOR CARDIOVASCULAR PROCEDURES W CC PERCUTANEOUS CARDIOVASCULAR PROCEDURES AMPUTATION FOR CIRC SYSTEM DISORDERS EXCEPT UPPER LIMB & TOE 115 PERM PACE IMPLNT W AMI,HRT FAIL OR SHOCK OR AICD LEAD OR EN PROC 116 OTH PERM CARDIAC PACEMAKER IMPLANT OR PTCA W CORONARY ART OTHER CIRCULATORY SYSTEM O.R. PROCEDURES CIRCULATORY DISORDERS W AMI & MAJOR COMP DISCH ALIVE CIRCULATORY DISORDERS W AMI W/O MAJOR COMP DISCH ALIVE CIRCULATORY DISORDERS W AMI, EXPIRED CIRCULATORY DISORDERS EXCEPT AMI, W CARD CATH & COMPLEX DIA 125 CIRCULATORY DISORDERS EXCEPT AMI, W CARD CATH W/O COMPLEX DIA HEART FAILURE & SHOCK PERIPHERAL VASCULAR DISORDERS W CC

6 132 ATHEROSCLEROSIS W CC CARDIAC ARRHYTHMIA & CONDUCTION DISORDERS W CC ANINA PECTORIS CHEST PAIN OTHER CIRCULATORY SYSTEM DIANOSES W CC MAJOR SMALL & LARE BOWEL PROCEDURES W CC I. HEMORRHAE W CC ESOPHAITIS, ASTROENT & MISC DIEST DISORDERS AE >17 W CC 209 MAJOR JOINT & LIMB REATTACHMENT PROCEDURES OF LOWER EXTREMITY 210 HIP & FEMUR PROCEDURES EXCEPT MAJOR JOINT AE >17 W CC FRACTURES OF HIP & PELVIS DIABETES AE > NUTRITIONAL & MISC METABOLIC DISORDERS AE >17 W CC RENAL FAILURE KIDNEY & URINARY TRACT INFECTIONS AE >17 W CC O.R. PROCEDURE FOR INFECTIOUS & PARASITIC DISEASES

7 416 SEPTICEMIA AE > PSYCHOSES REHABILITATION EXTENSIVE O.R. PROCEDURE UNRELATED TO PRINCIPAL DIANOSIS 475 RESPIRATORY SYSTEM DIANOSIS WITH VENTILATOR SUPPORT OTHER VASCULAR PROCEDURES W CC TRACHEOSTOMY EXCEPT FOR FACE,MOUTH & NECK DIANOSES 3 4 = Diagnostic-Related roup; = Medicare Severity Diagnosis-Related roup, Restricted to the top 40 s based on expenditures in 1998/9

8 etable 2. to CROSS-WALK 3 ECMO OR TRACH W MV 96+ HRS OR PDX EXC FACE, MOUTH & NECK W MAJ O.R. 4 TRACH W MV 96+ HRS OR PDX EXC FACE, MOUTH & NECK W/O MAJ O.R DEENERATIVE NERVOUS SYSTEM DISORDERS W/O MCC INTRACRANIAL HEMORRHAE OR CEREBRAL INFARCTION W MCC RESPIRATORY INFECTIONS & INFLAMMATIONS W MCC PULMONARY EDEMA & RESPIRATORY FAILURE CHRONIC OBSTRUCTIVE PULMONARY DISEASE W MCC SIMPLE PNEUMONIA & PLEURISY W MCC SIMPLE PNEUMONIA & PLEURISY W CC SIMPLE PNEUMONIA & PLEURISY W/O CC/MCC RESPIRATORY SYSTEM DIANOSIS W VENTILATOR SUPPORT 96+ HOURS 208 RESPIRATORY SYSTEM DIANOSIS W VENTILATOR SUPPORT <96 HOURS CARDIAC VALVE & OTH MAJ CARDIOTHORACIC PROC W CARD

9 CATH W MCC 219 CARDIAC VALVE & OTH MAJ CARDIOTHORACIC PROC W/O CARD CATH W MCC CARDIAC DEFIBRILLATOR IMPLANT W/O CARDIAC CATH W MCC CARDIAC DEFIBRILLATOR IMPLANT W/O CARDIAC CATH W/O MCC CORONARY BYPASS W CARDIAC CATH W MCC CORONARY BYPASS W/O CARDIAC CATH W MCC CORONARY BYPASS W/O CARDIAC CATH W/O MCC MAJOR CARDIOVASC PROCEDURES W MCC PERMANENT CARDIAC PACEMAKER IMPLANT W MCC PERC CARDIOVASC PROC W U-ELUTIN STENT W MCC OR 4+ VESSELS/STENTS PERC CARDIOVASC PROC W U-ELUTIN STENT W/O MCC PERC CARDIOVASC PROC W U-ELUTIN STENT W/O MCC PERC CARDIOVASC PROC W U-ELUTIN STENT W/O MCC OTHER VASCULAR PROCEDURES W MCC ACUTE MYOCARDIAL INFARCTION, DISCHARED ALIVE W MCC ACUTE MYOCARDIAL INFARCTION, DISCHARED ALIVE W CC

10 287 CIRCULATORY DISORDERS EXCEPT AMI, W CARD CATH W/O MCC HEART FAILURE & SHOCK W MCC HEART FAILURE & SHOCK W CC HEART FAILURE & SHOCK W/O CC/MCC ATHEROSCLEROSIS W/O MCC CARDIAC ARRHYTHMIA & CONDUCTION DISORDERS W MCC 312 SYNCOPE & COLLAPSE CHEST PAIN OTHER CIRCULATORY SYSTEM DIANOSES W MCC MAJOR SMALL & LARE BOWEL PROCEDURES W MCC I. HEMORRHAE W MCC I. HEMORRHAE W CC ESOPHAITIS, ASTROENT & MISC DIEST DISORDERS W/O MCC RENAL FAILURE W MCC RENAL FAILURE W CC KIDNEY & URINARY TRACT INFECTIONS W/O MCC INFECTIOUS & PARASITIC DISEASES W O.R. PROCEDURE W

11 MCC 870 SEPTICEMIA OR SEVERE SEPSIS W MV 96+ HOURS SEPTICEMIA OR SEVERE SEPSIS W/O MV 96+ HOURS W MCC REHABILITATION W CC/MCC REHABILITATION W CC/MCC 462 = Diagnostic-Related roup; = Medicare Severity Diagnosis-Related roup, Restricted to the top 40 s based on expenditures in 2008