From: Neonatal reference intervals for thyroid stimulating hormone and free thyroxine assayed on a Siemens Atellica® IM analyzer: a cross sectional study
Male
(n = 633)
Female
(n = 585)
All
(N = 1218)
p-value
(Male vs. Female)
Median (IQR)
TSH (µIU/mL)
2.308 (2.006)
1.976 (1.718)
2.103 (1.918)
0.000
FT4 (ng/dL)
1.69 (0.43)
1.69 (0.40)
1.69 (0.41)
0.847