Table 2.
Outcomes measured for safety and efficacy
| Overall (n = 1713) | Group 1: primiparas (n = 523) | Group 2: multiparas (n = 656) | Group 3: grand multiparas (n = 534) | p value | |
|---|---|---|---|---|---|
| Normal vaginal delivery | 1452 (84.8%) | 360 (68.8%) | 592 (90.2%) | 500 (93.6%) |
< 0.001 1 ≠ 2,3 |
| Instrumental Delivery | 188 (11%) | 119 (22.8%) | 48 (7.3%) | 21 (3.9%) |
0.017 1 ≠ 2 ≠ 3 |
| Cesarean delivery | 73 (4.3%) | 44 (8.4%) | 16 (2.4%) | 13 (2.4%) |
< 0.001 1 ≠ 2,3 |
| Blood transfusion rate, n (%) | 18 (1) | 10 (1.8) | 3 (0.5) | 5 (0.9) | 0.057 |
| Rate of APGAR 5’ minutes < 7, n (%) | 9 (0.5) | 2 (0.4) | 4 (0.6) | 3 (0.6) | 0.840 |
| Rate of UA pH < 7.1, n (%)a | 11 (7.7) | 9 (10.1) | 1 (3.0) | 1 (5.0) | 0.380 |
| Time to delivery, hrb | 22.0 (21.0–22.9) | 29.7 (27.8–31.7) | 18.6 (17.3–20.0) | 18.5 (17.0–20.1) |
< 0.001 1 ≠ 2,3 |
| Deliveries within 24 h, n (%) | 1181 (67.5) | 294 (53.9) | 486 (73.0) | 401 (74.5) |
< 0.001 1 ≠ 2,3 |
| Deliveries in 24–48 h, n (%) | 384 (22) | 162 (29.7) | 129 (19.4) | 93 (17.3) |
< 0.001 1 ≠ 2,3 |
| Deliveries after more than 48 h, n (%) | 184 (10.5) | 89 (16.3) | 51 (7.7) | 44 (8.2) |
< 0.001 1 ≠ 2,3 |
a = UA pH was taken only in deliveries with suspected fetal distress, instrumental deliveries and cesarean deliveries. Percentages are related to total number of pH taken
b = Data are given with 95% confidence interval for mean in the parenthesis