|   变量  |       β值  |       SE  |       β’值  |       t值  |       P  |       95% CI  |    
|   软骨损伤评分  |       −0.211  |       0.093  |       −0.229  |       −2.274  |       0.025  |       (−0.394, −0.027)  |    
|   BML  |       0.083  |       0.130  |       0.047  |       0.639  |       0.524  |       (−0.174, 0.340)  |    
|   术前HKA (˚)  |       −0.040  |       0.119  |       −0.028  |       −0.341  |       0.734  |       (−0.276, 0.195)  |    
|   MME  |       −7.005  |       2.215  |       −0.264  |       −3.296  |       0.001  |       (−11.216, −2.794)  |    
|   JSW (mm)  |       0.503  |       0.367  |       0.133  |       1.370  |       0.173  |       (−0.224, 1.231)  |    
|   半月板损伤评分  |       −0.031  |       0.209  |       −0.011  |       −0.150  |       0.881  |       (−0.444, 0.382)  |    
|   K-L3级  |       参考组  |    |||||
|   K-L2级  |       1.002  |       1.229  |       0.073  |       0.831  |       0.408  |       (−1.413, 3.456)  |    
|   K-L4级  |       −3.286  |       1.222  |       −0.241  |       −2.688  |       0.008  |       (−5.708, −0.864)  |