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Comparison of knee function scores and ROM between the two groups at 1 year after the second-stage operation (n=12,
)
二期术后 1 年两组膝关节功能评分及 ROM 比较（n=12，
）
| 组别
Group |
HSS 评分
HSS score |
VAS 评分
VAS score |
ROM (°) |
| 观察组
Observation group |
92.6±5.7 | 2.3±0.3 | 132.3±11.4 |
| 对照组
Control group |
86.4±7.6 | 2.8±0.7 | 119.0±14.2 |
| 统计值
Statistic |
t=2.260
P=0.034 |
t=2.274
P=0.033 |
t=2.530
P=0.019 |
