07 June 2024 : Clinical Research
Risk Factors for Postpartum Hemorrhage in Severe Pre-Eclampsia: A Retrospective Single-Centre Study of 1953 Cases
Yingzi Pan1ABCDE, Yuchuan Wang1ABCDE, Jiayan Miao1ABCDEF, Xiaohong Ji1BCEF, Chengqian Wu1ABC, Yixiao Wang1ABCDEF*, Hongjuan Ding1ABCDEFGDOI: 10.12659/MSM.943772
Med Sci Monit 2024; 30:e943772
Table 6 Binary logistic regression of risk factors for postpartum hemorrhage in cesarean delivery and vaginal delivery groups.
| Mode of delivery | β | S.E. | Wald | P | Exp(B) | 95% CI | |
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Cesarean section | |||||||
| Age | 0.039 | 0.022 | 3.040 | 0.081 | 1.040 | 0.995 | 1.087 |
| Gestational week at delivery | 0.067 | 0.065 | 1.045 | 0.307 | 1.069 | 0.940 | 1.215 |
| Systolic blood pressure | −0.009 | 0.008 | 1.298 | 0.255 | 0.991 | 0.976 | 1.007 |
| Diastolic blood pressure | 0.006 | 0.011 | 0.274 | 0.600 | 1.006 | 0.985 | 1.027 |
| Birth weight | 0.000 | 0.000 | 1.115 | 0.291 | 1.000 | 1.000 | 1.001 |
| Primipara | 0.050 | 0.288 | 0.030 | 0.863 | 1.051 | 0.597 | 1.849 |
| Previous miscarriages | 0.224 | 0.187 | 1.438 | 0.230 | 1.251 | 0.868 | 1.804 |
| Previous history of HDCP | −0.733 | 0.746 | 0.963 | 0.326 | 0.481 | 0.111 | 2.076 |
| Natural pregnancy | −0.422 | 0.251 | 2.832 | 0.092 | 0.656 | 0.401 | 1.072 |
| Twin pregnancy | 1.621 | 0.252 | 41.495 | 0.000 | 5.058 | 3.089 | 8.283 |
| PROM | 0.534 | 0.299 | 3.190 | 0.074 | 1.706 | 0.949 | 3.065 |
| Lower limb edema | −0.199 | 0.382 | 0.272 | 0.602 | 0.819 | 0.387 | 1.733 |
| Placenta accreta spectrum disorders | 1.210 | 0.567 | 4.559 | 0.033 | 3.353 | 1.104 | 10.180 |
| Placenta previa | 1.954 | 0.450 | 18.814 | 0.000 | 7.056 | 2.918 | 17.061 |
| Magnesium sulfate | 0.135 | 0.192 | 0.499 | 0.480 | 1.145 | 0.786 | 1.667 |
| Spinal anesthesia | −0.835 | 0.395 | 4.476 | 0.034 | 0.434 | 0.200 | 0.940 |
| Insufficient amniotic fluid | −0.479 | 0.482 | 0.987 | 0.320 | 0.619 | 0.241 | 1.594 |
| Vaginal delivery | |||||||
| Gestational week at delivery | −0.081 | 0.157 | 0.268 | 0.605 | 0.922 | 0.677 | 1.255 |
| Birth weight | 0.001 | 0.000 | 1.644 | 0.200 | 1.001 | 1.000 | 1.002 |
| Primipara | −0.191 | 0.618 | 0.096 | 0.757 | 0.826 | 0.246 | 2.772 |
| Magnesium sulfate | −0.872 | 0.428 | 4.156 | 0.041 | 0.418 | 0.181 | 0.967 |
| Peridural analgesia | 0.699 | 0.789 | 0.785 | 0.376 | 2.011 | 0.428 | 9.443 |
| Instrumental birth using forceps | 0.972 | 0.513 | 3.587 | 0.058 | 2.644 | 0.967 | 7.232 |
| Fetal distress | 0.392 | 0.610 | 0.414 | 0.520 | 1.481 | 0.448 | 4.893 |
| HDCP – hypertensive disorder complicating pregnancy; PROM – premature rupture of the membranes. | |||||||






