分组 | n | 术前 | 术后 |
对照组 | 50 | 36.71 ± 0.52 | 36.11 ± 0.36 |
观察组 | 50 | 36.68 ± 0.47 | 36.49 ± 0.42 |
t |
| 1.066 | 5.027 |
P |
| 0.473 | 0.002 |