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Table 2 Percentage of neonatal TSH screening results >5 mU/L at screening: indicator of iodine nutrition

From: Protocol of the PSYCHOTSH study: association between neonatal thyroid stimulating hormone concentration and intellectual, psychomotor and psychosocial development at 4–5 year of age: a retrospective cohort study

Percentage of neonatal TSH > 5 mU/L

Iodine nutrition

0-3%

Iodine sufficiency

3-19.9%

Mild iodine deficiency

20 à 39,9%

Moderate iodine deficiency

≥ 40%

Severe iodine deficiency

  1. Source: WHO, 1994 [60].