Table 4.
Unadjusted and adjusted odds ratios (OR) for caesarean section by induction method
| 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) |
*Adjusted for maternal age, gestational length, parity, complication to the pregnancy, weight of first and second twin (percentiles) and year of birth