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Comparison of VAS scores between 2 groups at postoperation（
）
两组患者术后各时间点 VAS 评分比较（
）
| 组别 Group |
例数 n |
1 d One day |
3 d Three days |
1 周 One week |
3 周 Three weeks |
6 周 Six weeks |
统计值 Statistic |
| A | 64 | 4.8±0.6 | 3.1±0.2 | 2.8±0.5 | 1.7±0.3 | 0.4±0.2 |
F=13.156 P= 0.002 |
| B | 90 | 6.5±0.7 | 4.8±0.8 | 4.0±0.9 | 2.1±0.3 | 0.7±0.8 |
F=10.318 P= 0.007 |
| 统计值 Statistic |
t=15.75 P= 0.001 |
t=16.585 P= 0.000 |
t=9.670 P=0.001 |
t=0.646 P=0.531 |
t=0.603 P=0.643 |
