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Table 3 Association between neonatal complications and level of Iodine concentrations during the third trimester among pregnant women in Tehran

From: Maternal and neonatal outcomes and determinants of iodine deficiency in third trimester of pregnancy in an iodine sufficient area

Type of complicationCategoryUIC ≥ 150 μg/l (n = 838)UIC < 150 μg/l (n = 46)P-value1, 2
Hypocalcaemia induced seizureNo822 (92.99)46 (5.2)0.34
Yes16 (1.81)0 (0)
Neonatal hypothyroidismNo628 (71.04)25 (2.83)< 0.001
Moderate194 (21.95)8 (0.9)
Severe16 (1.81)13 (1.47)
Anatomical congenital anomaliesNo809 (91.5)45 (5.09)0.639
Yes29 (3.28)1 (0.11)
HyperbilirubinemiaNo777 (87.9)40 (4.52)0.15
Yes61 (6.9)6 (0.68)
RDSNo806 (91.18)44 (4.98)0.85
Yes32 (3.62)2 (0.23)
NICUNo783 (88.57)38 (4.3)0.005
Yes55 (6.22)8 (0.9)
Gestational age (week)< 3796 (10.85)12 (1.35)0.008
≥37742 (83.9)34 (3.84) 
Apgar score at birthMean (SD)8.86 ± 0.68.82 ± 560.712
Apgar score at 5 minMean (SD)9.8 ± 1.29.7 ± 1.10.912
  1. 1 Chi-square test 2 Independent t-test