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Table 4 Pregnancy and neonatal outcomes

From: The effect of iodine supplementation in pregnancy on early childhood neurodevelopment and clinical outcomes: results of an aborted randomised placebo-controlled trial

 

Iodine

Placebo

Treatment effect (95 % CI)

P value

Pregnancy outcome

n = 29

n = 29

  

Miscarriagea

1 (3.5)

0 (0.0)

N/A

>0.99

Stillbirtha

0 (0.0)

0 (0.0)

N/A

N/A

Caesarean sectiona

9 (32.1)

5 (17.2)

N/A

0.19

Post-term inductiona

3 (10.7)

4 (13.8)

N/A

>0.99

Gestational diabetesa

1 (3.6)

2 (6.9)

N/A

>0.99

Pregnancy-induced hypertensiona

0 (0.0)

0 (0.0)

N/A

N/A

Pre-eclampsiaa

0 (0.0)

0 (0.0)

N/A

N/A

Antenatal hospital admissiona

6 (22.2)

7 (24.1)

N/A

0.87

Neonatal outcome

n = 28

n = 29

  

GA at birth, weeksb

39.3 (37.8 – 40.4)

39.7 (39.3 – 40.3)

N/A

0.23

Preterm birth, GA < 37 weeksa

5 (17.9)

4 (13.8)

N/A

0.73

Birth weight, gc

3325.4 (474.7)

3204.3 (689.4)

121.1 (−194.2, 436.3)

0.45

Birth length, cmc

49.4 (2.3)

48.7 (3.3)

0.7 (−0.9, 2.2)

0.37

Birth head circumference, cmc

34.6 (1.3)

33.9 (2.2)

0.7 (−0.3, 1.7)

0.15

Placental weight, gc

533.5 (136.2)

514.4 (129.5)

19.1 (−114.9, 153.2)

0.77

Low birth weight, <2500 ga

1 (3.6)

3 (10.3)

N/A

0.61

SGAa

3 (10.7)

2 (6.9)

N/A

0.67

LGAa

2 (7.1)

4 (13.8)

N/A

0.67

Major congenital abnormalitya

0 (0.0)

0 (0.0)

N/A

N/A

Neonatal complicationa

5 (17.9)

5 (17.2)

N/A

>0.99

Admission to NICUa

0 (0.0)

2 (6.9)

N/A

0.49

Neonatal deatha

0 (0.0)

0 (0.0)

N/A

N/A

  1. CI confidence interval, N/A not applicable, GA gestational age, SGA small for gestational age, LGA large for gestational age, NICU neonatal intensive care unit
  2. aData are presented as number (percentage)
  3. bData are presented as median (interquartile range)
  4. cData are presented as mean (standard deviation)