| Variable | PPH (n = 14) | No PPH | Pearson Chi-Square | P value (n = 183) |
| Induction of labour** | ||||
| Yes | 7 (50.0%) | 6 (3.3%) | 46.06 | <0.001 |
| No | 7 (50.0%) | 177 (96.7%) | ||
| Total | 14 (100%) | 183 (100%) | ||
| Duration of labour** | ||||
| <12 | 10 (71.4%) | 27 (15.1%) | 31.13 | <0.001 |
| 12 - 24 | 3 (21.4%) | 151 (83.8%) | ||
| >24 | 1 (7.2%) | 2 (1.1%) | ||
| Total | 14 (100%) | 183 (100%) | ||
| Augmentation with Oxytocin* | ||||
| Yes | 9 (64.3%) | 50 (32.2%) | 5.91 | 0.015 |
| No | 5 (35.7%) | 124 (67.8%) | ||
| Total | 14 (100%) | 183 (100%) | ||
| Method of delivery** | ||||
| NVD | 8 (57.1%) | 148 (80.9%) | 53.37 | 0.001 |
| CS | 2 (14.3%) | 35 (19.1%) | ||
| Vacuum | 3 (21.4%) | 0 (0.0%) | ||
| Forceps | 1 (7.2%) | 0 (0.0%) | ||
| Total | 14 (100%) | 183 (100%) |