Comparison of Obstetric Outcomes (Percentage)
| Preguideline | Postguideline | P Value* | |
|---|---|---|---|
| Vaginal deliveries | 76.4 | 78.0 | <.0001 |
| VBAC | 0.5 | 0.7 | |
| Operative deliveries | 23.6 | 22.0 | |
| Vacuum | 4.4 | 1.9 | |
| Forceps | 2.2 | 1.0 | |
| Primary cesarean section | 12.1 | 13.1 | |
| Repeat cesarean section | 4.3 | 5.2 | |
| Delivered before 37 weeks | 8.4 | 8.2 | .7 |
| Delivered after 42 weeks | 10.4 | 8.1 | .01 |
| Pitocin induction | 7.0 | 6.5 | .43 |
* χ2 analysis.