Assessment of Iodine Status among Pregnant Women and Neonates Using Neonatal Thyrotropin (TSH) in Mainland China after the Introduction of New Revised Universal Salt Iodisation (USI) in 2012: A Re-Emergence of Iodine Deficiency?
Table 3
Biochemical results of participants by year of study.
2016 (n = 1657)
2017 (n = 1403)
value
Age
27.9 ± 3.9
28.6 ± 4.2
<0.001
Weeks of gestation at recruitment
16.0 ± 5.3
15.7 ± 5.6
0.254
Average length of pregnancy (gestational age at birth)