Table 2.
Previous cesarean N 6414 |
Previous vaginal N 1768 |
P | OR | Adjusted OR | |||
---|---|---|---|---|---|---|---|
N | % | N | % | ||||
Subsequent delivery planned cesarean section# | 870 | 13.6 | 39 | 2.2 | < 0.001 | 6.96 (5.03–9.63) | 6.96 (5.02–9.63) |
Subsequent delivery emergency cesarean section# | 951 | 14.8 | 53 | 3.0 | < 0.001 | 5.63 (4.25–7.47) | 6.91 (4.99–9.57) |
Subsequent delivery spontaneous vaginal# | 3792 | 59.1 | 1590 | 89.9 | < 0.001 | 0.16 (0.14–0.19) | 0.17 (0.14–0.20) |
Subsequent delivery vacuum extraction# | 794 | 12.4 | 34 | 1.9 | < 0.001 | 7.21 (5.09–10.20) | 7.15 (5.05–10.13) |
Subsequent delivery vaginal breech delivery# | 6 | 0.1 | 51 | 2.9 | < 0.001 | 0.03 (0.01–0.07) | 0.03 (0.01–0.07) |
Maternal blood transfusion* | 192 | 3.0 | 9 | 0.5 | < 0.001 | 6.03 (3.08–11.79) | 4.95 (2.51–9.79) |
Maternal mortality | 0 | 0.0 | 0 | 0.0 | |||
Uterine rupture* | 137 | 2.1 | 7 | 0.4 | < 0.001 | 5.49 (2.56–11.76) | 4.09 (1.88–8.88) |
#Adjusted for: previous delivery not planned cesarean section, maternal age ≥ 35, maternal BMI ≥ 30, maternal BMI ≥ 35, pregestational diabetes treated with insulin, preeclampsia/chronic hypertension, PPROM, oligohydramnios
*Adjusted for: previous delivery not planned cesarean section, subsequent delivery emergency cesarean section, maternal age ≥ 35, maternal BMI ≥ 30, maternal BMI ≥ 35, pregestational diabetes treated with insulin, preeclampsia/chronic hypertension, PPROM, oligohydramnios