组别 | 病例数 | 干预前 | 干预后 |
观察组 | 40 | 14.69 ± 3.55 | 7.10 ± 1.14* |
对照组 | 40 | 15.70 ± 3.42 | 10.58 ± 1.64* |
t |
| 0.517 | 2.769 |
P |
| 0.483 | 0.041 |