BELGIUM. Vitamin and Mineral Nutrition Information System (VMNIS)

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1 Vitamin and Mineral Nutrition Information System (VMNIS) WHO Global Database on Iodine Deficiency The database on iodine deficiency includes data by country on goitre prevalence and/or urinary iodine concentration Last Updated: Level Date Region and sample descriptor Sex Age (years) Sample size Grade 1 Goitre prevalence (%) Grade 2 Urinary iodine (µg/l) Distribution (%) Prevalence (%) TGP < >300 <100 Median Mean N 1998 National: SAC: Total B * SAC by age B SAC by age B SAC by age B SAC by age B SAC by age B SAC by age B SAC by age B SAC by sex and age F SAC by sex and age F SAC by sex and age F SAC by sex and age F SAC by sex and age F SAC by sex and age F SAC by sex and age F SAC by sex and age M SAC by sex and age M SAC by sex and age M SAC by sex and age M SAC by sex and age M SAC by sex and age M SAC by sex and age M SAC by province: Antwerp B SAC by province: East Flanders B SAC by province: Flemish Brabant B SAC by province: Hainaut B SAC by province: Liège B SAC by province: Limburg B SAC by province: Luxembourg B SAC by province: Namur B SAC by province: Walloon Brabant B SAC by province: West Flanders B L 1994 ThyroMobil study 3 sites: SAC B * SD Reference Notes General Line

2 Vitamin and Mineral Nutrition Information System (VMNIS) WHO Global Database on Iodine Deficiency The database on iodine deficiency includes data by country on goitre prevalence and/or urinary iodine concentration Last Updated:

3 NOTES Reference no 1336 General Notes: Cross-sectional survey of 2-3 schools per province, 1 in the main town and 1 or 2 in other areas; prevalence of goitre investigated by ultrasonography, values not reported in the database. Line note 1 UI median range for the 23 schools: µg /L Reference no 1319 General Notes: The ThyroMobil study in Belgium covered 3 sites; prevalence of goitre determined by ultrasonography, values not reported in the database; data extracted from references No and Line note 2 UI median range: µg/l

4 Reference 1319 Reference 1336 R E F E R E N C E S Delange F, Benker G, Caron P, Eber O, Ott W, Peter F, Podoba J, Simescu M, Szybinsky Z, Vertongen F, Vitti P, Wiersinga W, Zamrazil V. Thyroid volume and urinary iodine in European schoolchildren: standardization of values for assessment of iodine deficiency. European Journal of Endocrinology, 1997, 136 : Delange F, Van Onderbergen A, Shabana W, Vandemeulebroucke E, Vertongen F, Gnat D, Dramaix M. Silent iodine prophylaxis in Western Europe only partly corrects iodine deficiency: the case of Belgium. European Journal of Endocrinology, 2000, 143 :

5 ADDITIONAL REFERENCES Reference 225 Reference 526 Reference 1087 Reference 1266 Reference 1337 Reference 2460 Reference 3156 Reference 5346 Reference 5348 Beckers C, Ermans AM, De Nayer, Delange F, Glinoer D, Bourdoux P. Status of iodine nutrition and thyroid function in Belgium. In: Delange F et al., eds. Iodine deficiency in Europe. A continuing concern. New York, Plenum Press, 1993 : Delange F, Dalhem A, Bourdoux P, Lagasse R, Glinoer D, Fisher DA, Walfish PG, Ermans AM. Increased risk of primary hypothyroidism in preterm infants. Journal of Pediatrics, 1984, 105 : Delange F, Bourdouz P, Ermans AM. Neonatal thyroid screening used as an index of an extra physiological supply of iodine. In: Thyroid Diseases Associated with Iodine Deficiency and Excess. New York, Raven Press, : Glinoer D, De Nayer P, Bourdoux P, Lemone M, Robyn C, Van Steirteghem A, Kinthaert J, Lejeune B. Regulation of maternal thyroid during pregnancy. Journal of Clinical Endocrinology, 1990, 71 : Bourguignon JP, Adam M, Rigo J, Gougnard T, Gielen J. [The physician faced with an iodine deficiency: individual management of a public health problem]. Revue Médicale de Liège, 1999, 54 : Brull L. Goitre et pathologie thyroïdienne en Belgique. Paris, Masson & Cie, Delange F, Wolff P, Gnat D, Dramaix M, Pilchen M, Vertongen F. Iodine deficiency during infancy and early childhood in Belgium: does it pose a risk to brain development?. European Journal of Pediatrics, 2001, 160 : Ciardelli R, Haumont D, Gnat D, Vertongen F, Delange F. The nutritional iodine supply of Belgian neonates is still insufficient. European Journal of Pediatrics, 2002, 161 : Delange F. IDD status in Belgium. Journal of Endocrinological Investigation, 2003, 26 (Suppl 9):6-7.

Goitre prevalence (%) Grade 1. Grade 2. TGP < >300 <100 Median Mean

Goitre prevalence (%) Grade 1. Grade 2. TGP < >300 <100 Median Mean Vitamin and Mineral Nutrition Information System (VMNIS) WHO Global Database on Iodine Deficiency The database on iodine deficiency includes data by country on goitre prevalence and/or urinary iodine concentration