表 4.
两组治疗前后MLK评分对比 X±S
| 时间 | 实验组 | 对照组 | t | P |
| 术前 | 7.15±1.37 | 7.59±1.2 | 1.547 | 0.126 |
| 术后6个月 | 1.23±0.84 | 2.16±0.86 | 4.954 | < 0.001 |
| 术后1年 | 2.13±1.01 | 3.09±1.12 | 4.107 | < 0.001 |
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