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Comparison of radiographic measurements between pre- and post-operation (n=20)
手术前后影像学检测指标比较（n=20）
| 时间
Time |
LDFA（°） | MPTA（°） | JLCA（°） | mFTA（°） | WBL比率（%）
WBL ratio (%) |
| 术前
Preoperative |
87.8±2.5 | 82.6±2.8 | 1.8±1.0 | 173.5（172.5，174.4） | 19.23（13.95，23.37） |
| 术后
Postoperative |
87.6±3.1 | 88.6±4.7 | 2.0±1.0 | 179.2（177.8，183.3） | 48.91（42.78，66.77） |
| 统计值
Statistic |
t=0.546
P=0.592 |
t=0.699
P=0.000 |
t=0.773
P=0.449 |
Z=−3.920
P=0.000 |
Z=−3.920
P=0.000 |
