| 组例数别(n) | PlGF (pg/ml) | sFlt-1 (pg/ml) | sFlt-1/PlGF |
| 对照组60 | 145.599 ± 137.658 | 1522.012 ± 261.275 | 15.679 ± 7.505 |
| 实验组55 | 30.489 ± 7.250 | 3828.496 ± 965.079 | 150.387 ± 116.903 |
| P值 | 0.000 | 0.000 | 0.000 |