Table 2.
Perinatal variables of parturients who completed the study for TOLAC.
| Variable | TOLAC (CTRL) | TOLAC (EXP) | Statistical value | P value | ||
|---|---|---|---|---|---|---|
| N (all) | N (%) or mean ± SD | N (all) | N (%) or mean ± SD | |||
| Mode of delivery | 160 | 263 | <0.001 | |||
| VBAC | 111 (69.38%) | 225 (85.55%) | ||||
| Cesarean | 49 (30.63%) | 38 (14.45%) | ||||
|
| ||||||
| Instrumental delivery in VBAC | 27 | 43 | 1 | |||
| Vacuum extraction | 15 (13.51%) | 23 (10.22%) | ||||
| Forceps | 12 (10.81%) | 20 (8.89%) | ||||
|
| ||||||
| Episiotomy | 149 | 42 (28.19%) | 256 | 111 (43.36%) | 0.003 | |
|
| ||||||
| Perineum/Cervical laceration | 149 | 70 (46.98%) | 255 | 106 (41.57%) | 0.3 | |
|
| ||||||
| Uterine rupture | 160 | 0 (0%) | 263 | 0 (0%) | 1 | |
|
| ||||||
| Estimated blood loss after delivery (mL) | 154 | 260 | 1 | |||
| ≤500 | 151 (98.05%) | 255 (98.08%) | ||||
| >500 | 3 (1.95%) | 5 (1.92%) | ||||
|
| ||||||
| Labor duration in VBAC | ||||||
| The first labor duration (min) | 108 | 334.14 ± 225.94 | 221 | 526.93 ± 266.85 | 6050.5 | <0.001 |
| The second labor duration (min) | 102 | 28.09 ± 31.62 | 217 | 46.14 ± 32.64 | 5836 | <0.001 |
| The third labor duration (min) | 108 | 8.62 ± 3.87 | 222 | 9.43 ± 5.03 | 11211.5 | 0.294 |
| Initiating lactation period (hours) | 157 | 11 ± 13 | 262 | 7 ± 12 | 24276.5 | 0.002 |
|
| ||||||
| VAS pain at epidural (cm) | ||||||
| T0: time 0 | 99 | 6.34 ± 2.16 | 219 | 8.20 ± 1.19 | 5191.5 | <0.001 |
| T1: PCEA after 30 min | 100 | 7.00 ± 2.16 | 217 | 0.94 ± 1.61 | 21103 | <0.001 |
| T2: cervical:6 cm | 100 | 7.67 ± 2.33 | 211 | 1.09 ± 1.71 | 20404.5 | <0.001 |
| T3: cervical:10 cm | 99 | 8.64 ± 2.13 | 210 | 1.78 ± 2.00 | 20213 | <0.001 |
| T4: immediate delivery of the fetus | 97 | 1.65 ± 2.44 | 209 | 1.88 ± 1.60 | 8062 | 0.002 |
|
| ||||||
| Feeding patterns within 48 hours | 158 | 233 | 0.361 | |||
| Breast | 152 (96.20%) | 218 (93.56%) | ||||
| Milk | 6 (3.80%) | 15 (6.44%) | ||||
|
| ||||||
| Feeding amounts within 48 hours | 147 | 230 | 0.491 | |||
| Normal | 137 (93.20%) | 219 (95.22%) | ||||
| Discomfort within 42 days | 159 | 33 (20.75%) | 256 | 28 (10.94%) | 0.007 | |
|
| ||||||
| EPDS score 48 hours | <0.001 | |||||
| <10 | 117 | 117 (73.58%) | 237 | 237 (91.51%) | ||
| ≥10 | 42 | 42 (26.42%) | 22 | 22 (8.49%) | ||
|
| ||||||
| EPDS score 42 days | <0.001 | |||||
| <10 | 119 | 119 (74.84%) | 241 | 241 (93.41%) | ||
| ≥10 | 40 | 40 (25.16%) | 17 | 17 (6.59%) | ||
Comparisons were made using Student's t-test or Wilcoxon rank sum test for nonnormally distributed variables. Comparisons were made using Pearson's chi-squared test and Fisher's exact test for proportions.