Table 2 Maternal and obstetric outcomes across the study groups

Time from PROM to delivery (mean ± s.d., mean,

hour: min)

1190 ± 26.7

19:48

856.9 ± 33.6

14:15

N/A

< 0.001

Time from induction to delivery (minutes, mean ± s.d.± hour: min)

671.6 ± 26.1

11:10

453 ± 27.5

7:33

N/A

< 0.001

Time in labor ward (minutes, mean, s.d. hour: min)

233.7 ± 10.5

3:55

471 ± 13.8

7:51

N/A

< 0.001

Spontaneous vaginal delivery (n,%)

418 (84.8%)

251 (84.8%)

1.0

0.7–1.5

0.5

Operative vaginal delivery (n,%)

53 (10.8%)

37 (12.5%)

0.84

0.5–1.3

0.2

Cesarean delivery (n,%)

22 (4.5%)

9 (3.0%)

1.5

0.7–3.3

0.2

Vaginal birth within 24 h of PROM (n,%)

376 (76.3%)

259 (87.5%)

0.6

0.4–0.9

< 0.001

Vaginal birth within 48 h of PROM (n,%)

462 (93.7%)

282 (95.2%)

0.7

0.4–1.4

0.2

Vaginal delivery within 24 h of labor induction

429 (87%)

270 (92%)

0.6

0.4-1.0

0.04

Vaginal delivery within 48 h of labor induction

466 (94.5%)

285 (96.2%)

0.7

0.3–1.4

0.13

Postpartum hemorrhage (n,%)

10 (2.02%)

12 (4.0%)

0.4

0.2–0.9

0.02

Placental abruption (n,%)

0

0

N/A

N/A

Chorioamnionitis (n,%)

9 (1.82%)

4 (1.4%)

1.4

0.4–4.4

0.3

Shoulder Dystocia (n,%)

3 (0.6%)

0

N/A

N/A

Postpartum Readmission (n,%)

(0.4%) 2

2 (0.7%)

0.6

0.1–4.2

0.3

Combined Adverse Maternal Outcome (n,%)

24 (4.9%)

18 (6.0%)

0.8

0.4–1.4

0.2