Characteristics | Women with a history of cesarean birth | VBAC | RCB | P-value* | Adjusted** P-value | Adjusted** RR (95% C.I.) |
---|---|---|---|---|---|---|
Mothers, N | 8,267 | 1,389 | 6,878 | |||
Severe postpartum hemorrhage, n (%) | 80/8,259 (1.0) | 19/1,389 (1.4) | 61/6,870 (0.9) | 0.0577 | 0.0683 | 0.55 (0.29, 1.05) |
Uterotonics, n (%) | 6,685/8,237 (81.2) | 845/1,388 (60.9) | 5,840/6,849 (85.3) | 0.0003 | 0.2384 | 1.07 (0.96, 1.19) |
Blood transfusion, n (%) | 602/8,266 (7.3) | 21/1,389 (1.5) | 581/6,877 (8.4) | < .0001 | < .0001 | 3.74 (2.48, 5.63) |
D&C or suction, n (%) | 47/8,265 (0.6) | 33/1,389 (2.4) | 14/6,876 (0.2) | < .0001 | < .0001 | 0.12 (0.06, 0.25) |
Magnesium Sulfate, n (%) | 205/8,232 (2.5) | 7/1,388 (0.5) | 198/6,844 (2.9) | 0.0304 | 0.0748 | 1.93 (0.94, 3.99) |
Hysterectomy, n (%) | 28/8,265 (0.3) | 1/1,389 (0.1) | 27/6,876 (0.4) | 0.1000 | 0.0757 | 10.54 (0.78, 141.70) |
Severe perinatal infection, n (%) | 112/8,266 (1.4) | 18/1,389 (1.3) | 94/6,877 (1.4) | 0.7226 | 0.9015 | 1.03 (0.64, 1.66) |
Severe postnatal infection/sepsis, n (%) | 37/8,258 (0.4) | 3/1,386 (0.2) | 34/6,872 (0.5) | 0.2291 | 0.1058 | 2.79 (0.80, 9.70) |
Seizures/coma, n (%) | 15/8,258 (0.2) | 0/1,386 (0.0) | 15/6,872 (0.2) | *** | *** | *** |
Unplanned hospitalization, n (%) | 776/8,265 (9.4) | 97/1,389 (7.0) | 679/6,876 (9.9) | 0.0272 | 0.9359 | 0.99 (0.79, 1.24) |
Maternal death < 42 days, rate per 100,000 births | 9 (109) | 4 (288) | 5 (73) | 0.0301 | *** | *** |
Infants, N | 8,335 | 1,398 | 6,937 | |||
Stillbirths, rate per 1,000 stillbirths plus live births | 176 (21.1) | 100 (72.0) | 76 (11.0) | < .0001 | < .0001 | 0.27 (0.15, 0.49) |
Bag and mask resuscitation | 395/8,298 (4.8) | 60/1,372 (4.4) | 335/6,926 (4.8) | 0.6114 | 0.8938 | 1.02 (0.72, 1.45) |
Baby breastfed within an hour | 2,699/8,148 (33.1) | 926/1,289 (71.8) | 1,773/6,859 (25.8) | < .0001 | < .0001 | 0.39 (0.30, 0.50) |
Antibiotics | 716/8,308 (8.6) | 73/1,377 (5.3) | 643/6,931 (9.3) | 0.0003 | 0.0005 | 1.51 (1.20, 1.91) |
CPAP | 44/8,301 (0.5) | 5/1,375 (0.4) | 39/6,926 (0.6) | 0.3936 | *** | *** |
Oxygen | 647/8,306 (7.8) | 75/1,378 (5.4) | 572/6,928 (8.3) | 0.0027 | 0.0319 | 1.31 (1.02, 1.67) |
Neonatal mortality < 28 days, rate per 1,000 live births | 185 (22.7) | 54 (42.0) | 131 (19.1) | < .0001 | 0.4734 | 0.86 (0.57, 1.30) |