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Table 3 Complications associated with induction of labor compared to spontaneous labor

From: The risk of cesarean delivery after labor induction among women with prior pregnancy complications: a subgroup analysis of the AFFIRM study

 

Induction of labor

n/N (%)

Spontaneous labor

n/N (%)

Odds Ratio (95% CI),

p value

Cesarean delivery

21/148 (14.2)

79/364 (21.7)

0.60 (0.4–1.0), p = 0.052

 LMWH use

8/82 (9.8)

43/192 (22.4)

0.38 (0.2–0.8), p = 0.014

 No LMWH use

13/66 (19.7)

36/172 (20.9)

0.93 (0.5–1.9), p = 0.833

VTE

0/141 (0)

0/356 (0)

Peripartum major bleeding

6/145 (4.1)

2/363 (0.6)

7.79 (1.6–39.0), p = 0.003a

Peripartum minor bleeding

18/145 (12.4)

16/363 (4.4)

3.07 (1.5–6.2), p = 0.001

Postpartum major bleeding

2/148 (1.4)

0/364 (0)

--, p = 0.083a

Neonatal mortality

1/142 (0.7)

5/356 (1.4)

0.50 (0.1–4.3), p = 0.680a

Maternal mortality

0/148 (0)

0/364 (0)

  1. -- Unable to calculate an odds ratio
  2. aStatistics based on Fisher’s exact test