Baseline variable | No PPH N = 1485 | PPH N = 1481 | All N = 2966 | |||
---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | |
Nulliparous | 735 | 49.5 | 785 | 53.0 | 1520 | 51.2 |
Labor induced | 179 | 12.1 | 188 | 12.7 | 367 | 12.4 |
Labor augmented | 642 | 43.2 | 761 | 51.4 | 1403 | 47.3 |
Instrument-assisted vaginal birth | 34 | 2.3 | 79 | 5.3 | 113 | 3.8 |
Perineal trauma leading to suture | 1011 | 68.1 | 1074 | 72.5 | 2085 | 70.3 |
Baby alive | 1452 | 97.8 | 1460 | 98.6 | 2912 | 98.2 |
Mean | SD | Mean | SD | Mean | SD | |
---|---|---|---|---|---|---|
Mother age (years) | 25.3 | 4.8 | 25.8 | 5.2 | 25.5 | 5.0 |
Gestational age (completed weeks) | 38.4 | 2.3 | 38.7 | 2.0 | 38.6 | 2.1 |
Birth weight (g) | 2881 | 548 | 3133 | 551 | 3007 | 563 |
Baseline variable among parous women | No PPH N = 750 | PPH N = 696 | All parous women N = 1446 | |||
---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | |
CS in previous pregnancies | 39 | 5.2 | 56 | 8.0 | 95 | 6.6 |
PPH in previous pregnancies | 6 | 0.8 | 39 | 5.6 | 45 | 3.1 |