| 组别 | 例数 | 产后24 h | 产后48 h | 产后72 h |
| 对照组 | 50 | (18.64 ± 2.46) | (58.96 ± 4.55) | (77.94 ± 4.99) |
| 观察组 | 50 | (32.74 ± 3.37) | (107.02 ± 6.77) | (134.82 ± 6.98) |
| t值 |
| 16.1743 | 34.2703 | 37.4592 |
| P值 |
| 0.000 | 0.000 | 0.000 |