Characteristic | ROM at <80% cervical effacement (N = 78) | ROM at ≥80% cervical effacement (N = 201) | p-Value |
Demographics Age (years) Parity Gestational age (days) Body mass index (kg/m2) Weight (kg) GBS positive Induction characteristics Dilation at admission (cm) Effacement at admission (%) Modified Bishop score at admission Dilation at ROM (cm) Effacement at ROM (%) Modified Bishop score at ROM Time from admission to delivery (h) Time from ROM to delivery (h) Vaginal exams from admission to delivery Vaginal exams from ROM to delivery Misoprostol use Oxytocin use Transcervical balloon catheter use Dinoprostone use Artificial ROM Maternal and neonatal outcomes Clinical chorioamnionitis Spontaneous vaginal delivery Operative vaginal delivery Cesarean delivery Birth weight APGAR score at 1 min APGAR score at 5 min |
28.5 (24 - 34) 1 (0 - 2) 273 (266 - 283) 34 (30 - 39) 86.5 (77.3 - 106.8) 19.5% (15)
1 (0 - 2) 0 (0 - 50) 1 (0 - 2) 4 (3 - 5) 50 (50 - 70) 4 (3 - 5) 29.5 (18 - 38.8) 7.8 (4.5 - 12.9) 7 (5 - 9) 3 (2 - 4) 79.5% (62) 93.5% (73) 29.5% (23) 6.4% (5) 62.8% (49)
15.4% (12) 64.1% (50) 2.6% (2) 33.3% (26) 3325 (2970 - 3567) 9 (8 - 9) 9 (9 - 9) |
26 (22 - 32) 0 (0 - 2) 280 (270 - 287) 33 (30 - 38) 88 (75 - 102) 25.4% (51)
1 (0 - 2) 0 (0 - 50) 1 (0 - 3) 6 (5 - 9) 100 (90 - 100) 8 (7 - 9) 21 (14 - 30.5) 3 (1 - 6.5) 6 (4 - 8) 2 (1 - 3) 79.6% (160) 78.6% (158) 17.9% (36) 4.5% (9) 58.7% (118)
6% (12) 80.1% (161) 5.0% (10) 14.9% (30) 3283 (2885 - 3600) 9 (8 - 9) 9 (9 - 9) |
0.082 0.070 0.016 0.379 0.660 0.345
0.119 0.472 0.124 <0.0001 n/a n/a 0.001 <0.0001 0.0003 <0.0001 1 0.002 0.049 0.545 0.587
0.017 0.008 0.520 0.001 0.704 0.660 0.787 |