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Table 3 Sample stratification of newborns by neonatal TSH level and by sex

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

Neonatal TSH level mU/L

Boys

Girls

Total

1-0

19

19

38

1-2

19

19

38

2-3

19

19

38

3-4

19

19

38

4-5

19

19

38

5-6

19

19

38

6-7

19

19

38

7-8

19

19

38

8-9

19

19

38

9-15

19

19

38

Total

190

190

380