| Variable | PPH (n = 14) | No PPH | Pearson Chi-Square | P value (n = 183) |
| Hypertensive disorder** | ||||
| Yes | 0 (0.0%) | 12 (6.6%) | 13.99 |
0.001 |
| No | 14 (100.0%) | 171 (92.3%) | ||
| Total | 14 (100.0%) | 183 (100.0%) | ||
| Tears or lacerations | ||||
| Yes | 8 (57.1%) | 77 (42.1%) | 1.203 | 0.273 |
| No | 6 (42.9%) | 106 (57.9%) | ||
| Total | 14 (100.0%) | 183 (100.0%) | ||
| Retained products* | ||||
| Yes | 4 (28.6%) | 17 (9.3%) | 5.08 | 0.024 |
| No | 10 (71.4%) | 166 (90.7%) | ||
| Total | 14 (100.0%) | 183 (100.0%) |