Table 2. Effect of placental attachment to the anterior wall on pregnancy outcomes in patients with placenta previa without prior caesarean section.
| Placenta previa without prior caesarean section(n = 601) | P | ||
|---|---|---|---|
| Attachment to the anterior wall (n = 122) |
Attachment to the lateral or posterior wall (n = 479) |
||
| Gestational week (weeks) | 36.5±1.9 | 37.2±1.5 | <0.001 |
| Postpartum hemorrhage (mL) | 504.8±461.3 | 352.3±256.9 | 0.004 |
| 1-minute Apgar (score) | 9.6±1.1 | 9.9±0.8 | 0.021 |
| Birth weight (g) | 2872.6±587.1 | 3099.8±478.5 | <0.001 |
| Postpartum hospital stay (days) | 5.0±1.6 | 4.6±1.2 | 0.013 |
| Blood transfusion rate (%) | 16.4% (20/122) | 5.8% (28/479) | <0.001 |
| PAS disorders rate (%) | 9.8% (12/122) | 6.3% (30/479) | 0.118 |
| Hysterectomy rate (%) | 2.5% (3/122) | 0.0% (0/479) | 0.001 |
| Complete placenta previa rate (%) | 63.1% (77/122) | 54.7% (262/479) | 0.057 |
| Prenatal bleeding rate (%) | 43.4% (53/122) | 20.3% (97/479) | <0.001 |