Table 2. Induction to delivery interval and mode of delivery.
30-mL/12h (n = 121) | 30-mL/24h (n = 124) | 80-mL/12h (n = 125) | 80-mL/24h (n = 125) | p | |
---|---|---|---|---|---|
Vaginal delivery within 24 hours (h) n (%) | 66(54.5) | 41(33.1) | 58(46.4) | 30(24.0) | < 0.001 |
Time to delivery (h) (median [IQR]) | 22.9 (19.5–33.0) | 29.2 (20.6–41.2) | 23.8 (18.0–30.5) | 29.5 (24.2–37.7) | < 0.001 |
Time to active phase (h) (median [IQR])* | 19.0 (16.5–23.0) | 22.7 (14.5–31.3) | 19.0 (15.3–23.3) | 25.5 (17.2–31.3) | < 0.001 |
Time to vaginal delivery (h) (median [IQR])* | 22.5 (19.1–27.7) | 25.6 (18.2–34.8) | 21.5 (17.3–28.5) | 28.8 (21.6–35.9) | 0.001 |
Mode of delivery n (%) | 0.621 | ||||
Spontaneous | 104 (86.0) | 95 (76.6) | 98 (78.4) | 98 (78.4) | |
Vaginal instrumental | 3 (2.4) | 3 (2.4) | 3 (2.4) | 3 (2.4) | |
Cesarean section | 14 (11.6) | 26 (21.0) | 24 (19.2) | 24 (19.2) | |
Indications for Cesarean section n (%) | 0.514 | ||||
Failed induction | 7 (50.0) | 10 (38.5) | 6 (25.0) | 12 (50.0) | |
Failure to progress | 5 (35.7) | 11 (42.3) | 15 (62.5) | 10 (41.6) | |
Fetal distress | 1 (7.1) | 2 (7.7) | 0 (0.0) | 0 (0.0) | |
Chorioamionitis | 1 (7.1) | 3 (11.5) | 3 (12.5) | 2 (8.3) | |
Indications for vaginal instrumental delivery n (%) | 0.721 | ||||
Failure to progress | 3 (100.0) | 2 (66.7) | 2 (66.7) | 2 (66.7) | |
Fetal distress | 0 (0.0) | 1 (33.3) | 1 (33.3) | 1(33.3) | |
Oxytocin use n (%) | 106 (87.6) | 109 (87.9) | 108 (86.4) | 113 (90.4) | 0.800 |
Epidural analgesia n (%) | 24 (19.8) | 26 (21.0) | 15 (12.0) | 23 (18.4) | 0.251 |
* Excluding cesarean deliveries.