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Table 9 Antenatal and neonatal outcomes

From: OptiBIRTH: a cluster randomised trial of a complex intervention to increase vaginal birth after caesarean section

Outcome

Country (recruited women relevant to each subgroup with birth data available in intervention; control groups)

Intervention sites

Control sites

Risk ratio [95% CI] or Mean Difference [95% CI]

Intrauterine death before 24 weeks (% with birthing data)

Trial as a whole (1174; 782)

7 (0.6)

3 (0.4)

1.22 [0.36, 4.11]

Germany (458; 282)

0 (0.0)

1 (0.4)

0.38 [0.02, 9.27]

Ireland (365; 250)

6 (1.6)

0 (0)

6.45 [0.37, 113.52]

Italy (351; 250)

1 (0.3)

2 (0.8)

0.50 [0.07, 3.36]

Intrauterine death after 24 weeks (% with birthing data)

Trial as a whole (1174; 782)

4 (0.2)

2 (0.2)

1.16 [0.28, 4.83]

Germany (458; 282)

1 (0.2)

1 (0.4)

0.66 [0.08, 5.78]

Ireland (365; 250)

1 (0.3)

1 (0.4)

1.08 [0.07, 17.15]

Italy (351; 250)

2 (0.6)

0 (0)

2.97 [0.14, 61.50]

Neonatal death (% of live-born)

Trial as a whole (1163; 777)

0 (0)

2 (0.3)

0.26 [0.03, 2.34]

Germany (457; 280)

0 (0)

1 (0.4)

0.38 [0.02, 9.15]

Ireland (358; 249)

0 (0)

1 (0.4)

0.17 [0.01, 4.13]

Italy (348; 248)

0 (0)

0 (0)

No data

Live-born before 37 weeks (% of live-born)a

Trial as a whole (1163; 777)

62 (5.3)

50 (6.4)

0.81 [0.56, 1.17]

Germany (457; 280)

18 (3.9)

16 (5.7)

0.61 [0.31, 1.21]

Ireland (358; 249)

19 (5.3)

10 (4.0)

1.23 [0.59, 2.56]

Italy (348; 248)

25 (7.2)

24 (9.7)

0.77 [0.45, 1.32]

Gestational age at live birth (mean, SD)a

Trial as a whole (1163; 777)

38.9 (1.5)

38.7 (1.8)

0.15 [0.00, 0.30]

Germany (457; 280)

38.9 (1.4)

39.0 (1.8)

−0.10 [−0.35, 0.15]

Ireland (358; 249)

39.1 (1.5)

39.0 (1.7)

0.10 [−0.16, 0.36]

Italy (348; 248)

38.6 (1.7)

38.1 (1.6)

0.50 [0.23, 0.77]

Admission to NICU (% of live-born)

Trial as a whole (1163; 777)

90 (7.7)

63 (8.1)

0.87 [0.64, 1.17]

Germany (457; 280)

34 (7.4)

28 (10.0)

0.58 [0.35, 0.95]

Ireland (358; 249)

40 (11.2)

28 (11.2)

0.97 [0.62, 1.51]

Italy (348; 248)

16 (4.6)

7 (2.8)

1.70 [0.73, 3.93]

  1. 1. Gestational age at birth is missing for 56 live-born infants (intervention: 25; control: 31)