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Table 1 Maternal and infant characteristics after prelabour caesarean section (CS) or vaginal delivery and correlations between these characteristics, intervention group and Ages and Stages Questionnaire II total score outcomes at 4 and 12 months of age

From: Prelabour caesarean section and neurodevelopmental outcome at 4 and 12 months of age: an observational study

 

Prelabour CS Mean (SD)

n

Vaginal Delivery Mean (SD)

n

P value

4 months

12 months

ASQ-II total score, Spearman ρ (P value)

Maternal characteristics (at admission to antenatal care), mean (SD)

 Age

33.2 (5.4)

72

31.3 (4.4)

365

0.002

−0.113 (0.02)

 

 Body Mass Index (kg/m2)

25.2 (4.2)

62

23.8 (3.8)

314

0.03

  

Infant Characteristics mean (SD)

 Gestational Age (weeks)

38.9 (0.8)

72

40.1 (1.1)

365

< 0.001

0.243 (< 0.001)

0.107 (0.03)

 Apgar score at 5 min

9.9 (0.4)

72

9.8 (0.7)

365

0.23

 

0.131 (0.009)

 Length (cm)

50.4 (2.2)

72

50.8 (1.9)

363

0.07

0.116 (0.02)

 

 Birth weight (gram)

3547 (656)

72

3572 (474)

365

0.76

0.149 (0.002)

 

 Head circumference (cm)

35.8 (1.7)

72

34.8 (1.4)

365

< 0.001

  

 pH in umbilical cord artery

7.29 (0.05)

64

7.26 (0.08)

327

0.002

  

 Male, n (%)

34 (47.2)

72

172 (47.1)

365

> 0.99b

  

 Age at ASQ 4 months test (days)

118.4 (5.9)

66

120.7 (5.4)

352

0.002

0.226 (< 0.001)

 

 Age at ASQ 12 months test (days)

359.0 (7.4)

62

362.2 (9.3)

344

0.003

 

0.212 (< 0.001)

  1. Abbreviations: ASQ Ages and Stages Questionnaire, second edition
  2. a Comparison by Students T test. b Comparison by Fischer’s exact test