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Table 2 Maternal characteristics in women with and without oligohydramnios

From: Oligohydramnios: a prospective study of fetal, neonatal and maternal outcomes in low-middle income countries

 

With Oligohydramnios

No Oligohydramnios

Overall

p-Value1

At least one US exam ≥28 weeks, n

87

12,853

12,940

 

Maternal age (years), n (%)

87

12,849

12,936

0.2766

 < 20

17 (19.5)

2185 (17.0)

2202 (17.0)

 

 20–35

61 (70.1)

9577 (74.5)

9638 (74.5)

 

 > 35

9 (10.3)

1087 (8.5)

1096 (8.5)

 

Maternal education, n (%)

87

12,851

12,938

0.1698

 No formal schooling

30 (34.5)

3209 (25.0)

3239 (25.0)

 

 Primary

37 (42.5)

4403 (34.3)

4440 (34.3)

 

 Secondary

19 (21.8)

4873 (37.9)

4892 (37.8)

 

 University

1 (1.1)

366 (2.8)

367 (2.8)

 

Parity, n (%)

82

12,660

12,742

0.1253

 0

25 (30.5)

2993 (23.6)

3018 (23.7)

 

 1

14 (17.1)

2847 (22.5)

2861 (22.5)

 

 2+

43 (52.4)

6820 (53.9)

6863 (53.9)

 

Previous live birth among multipara, n/N (%)

52/57 (91.2)

9092/9667 (94.1)

9144/9724 (94.0)

0.5814

Previous live birth with primipara in denominator, n/N (%)

52/82 (63.4)

9092/12,660 (71.8)

9144/12,742 (71.8)

0.0421

Maternal height, Mean (sd)

151.1 (7.6)

153.5 (8.1)

153.5 (8.1)

0.7097

Maternal weight, Mean (sd)

55.1 (10.0)

55.9 (10.1)

55.9 (10.1)

0.0713

Maternal BMI, Mean (sd)

24.2 (4.2)

23.8 (4.2)

23.8 (4.2)

0.1007

  1. 1P-value from a logistic regression model for at least one oligohydramnios finding adjusting for site and maternal characteristics using general estimating equations to account for the correlation of outcomes within cluster