Table 2 Cesarean delivery by method of induction and covariables
From: The effect of induction method in twin pregnancies: a secondary analysis for the twin birth study
n (row per cent) | Vaginal delivery for both twins N = 219 | At least one twin delivered by CS N = 149 | p-value Odds ratio (95% CI) |
|---|---|---|---|
Method of induction | 0.99 | ||
PG | 91 (59.5%) | 62 (40.5%) | 1.0 (0.65, 1.5) |
No PG | 128 (59.5%) | 87 (40.5%) | 1 |
Maternal age (years) | 0.01 | ||
<30 | 119 (66.1%) | 61 (33.9%) | 1 |
≥30 | 100 (53.2%) | 88 (46.8%) | 1.7 (1.1, 2.6) |
Parity | <0.0001 | ||
0 | 83 (46.4%) | 96 (53.6%) | 1 |
≥1 | 136 (72.0%) | 53 (28.0%) | 0.33 (0.22, 0.52) |
Chorionicity on ultrasound | 0.73 | ||
Dichorionic | 164 (60.5%) | 107 (39.5%) | 0.75 (0.35, 1.6) |
cMonochorionic | 40 (58.0%) | 29 (42.0%) | 0.84 (0.36, 2.0) |
Unknown | 15 (53.6%) | 13 (46.4%) | 1 |
National perinatal mortality rate | 0.0032 | ||
<10/1000 | 164 (64.6%) | 90 (35.3%) | 1 |
≥10/1000 | 55 (48.3%) | 59 (51.7%) | 2.0 (1.2, 3.1) |
Presentation of twin B at delivery | 0.0012 | ||
Cephalic | 162 (65.3%) | 86 (34.7%) | 0.48 (0.31, 0.75) |
Non-cephalic | 57 (47.5%) | 63 (52.5%) | 1 |
Gestational age at delivery | 0.93 | ||
320-366 weeks | 64 (59.3%) | 44 (40.7%) | 0.86 (0.31, 2.4) |
370-386 weeks | 145 (59.9%) | 97 (40.1%) | 0.84 (0.32, 2.2) |
39+ weeks | 10 (55.6%) | 8 (44.4%) | 1 |