Table 1.
Demographic, obstetric, and hospital characteristics by mode of delivery
| Characteristics | Repeat Cesarean (n=10 979) |
VBAC (n=1547) |
P-value |
|---|---|---|---|
| Maternal age, years | 32.5 ± 4.7 | 32.1 ± 4.5 | 0.002 |
| Obesity | 913 (8.3) | 51 (3.3) | <0.001 |
| Diabetes1 | 1890 (17.2) | 140 (9.1) | <0.001 |
| Chronic hypertension | 438 (4.0) | 24 (1.6) | <0.001 |
| Pre-eclampsia | 300 (2.7) | 21 (1.4) | 0.001 |
| Gestational hypertension | 391 (3.6) | 27 (1.8) | <0.001 |
| Large for gestational age | 332 (3.0) | 14 (0.9) | <0.001 |
| Fetal growth restriction | 50 (0.5) | 4 (0.3) | 0.40 |
| Annual delivery volume (quartile) | <0.001 | ||
| 1st (281-534 births) | 574 (5.2) | 18 (1.2) | |
| 2nd (549-995 births) | 1247 (11.4) | 102 (6.6) | |
| 3rd (996-1975 births) | 2875 (26.2) | 401 (25.9) | |
| 4th (1989-7657 births) | 6283 (57.2) | 1026 (66.3) | |
| Hospital location | <0.001 | ||
| Urban | 9860 (89.8) | 1468 (94.9) | |
| Rural | 1119 (10.2) | 79 (5.1) | |
| Teaching hospital | 5421 (49.4) | 927 (59.9) | <0.001 |
| Level of obstetric care | <0.001 | ||
| Level 1 | 1893 (17.2) | 156 (10.1) | |
| Level 2 | 3199 (29.1) | 375 (24.2) | |
| Level 3 | 5887 (53.6) | 1016 (65.7) | |
| Neonatal intensive care | 7058 (64.3) | 1174 (75.9) | <0.001 |
| Neonatal intermediate care | 2380 (21.7) | 388 (25.1) | 0.003 |
Data presented as mean ± standard deviation, or n (%). P-values are calculated using analysis of variance, χ2 test, or Fisher’s exact test.
VBAC, vaginal birth after cesarean
1
Gestational and pre-existing diabetes