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Table 4 Unadjusted and adjusted odds ratios (OR) for caesarean section by induction method

From: Induction of twin pregnancy and the risk of caesarean delivery: a cohort study

Onset of labour

Total number

CAESAREAN SECTION

N

Rate

Unadjusted OR (95 % CI)

Adjusted OR* (95 % CI)

Spontaneous

242

30

12

reference

reference

Amniotomy

149

21

15

1.2 (0.6-2.1)

1.4 (0.7-2.8)

Oxytocin

11

4

36

3.0 (0.7-12)

2.7 (0.5-14)

Foley/prostaglandin

60

22

37

4.1 (2.2-7.8)

2.5 (1.2-5.3)

  1. *Adjusted for maternal age, gestational length, parity, complication to the pregnancy, weight of first and second twin (percentiles) and year of birth