Table 3.

Results of multiple logistic regression analysis in the training set.

Variables	EXP (B)	95% CI	P
Age	1.028	0.966–1.094	0.386
Preoperative HKA angle	0.958	0.875–1.049	0.354
Preoperative HKA angle deviation	0.806	0.673–0.965	0.019*
Preoperative VAS	0.638	0.448–0.910	0.013*
Preoperative fKSS	0.963	0.929–0.999	0.041*
Preoperative ROM	1.038	1.006–1.070	0.020*

*statistically significant difference (P<0.05).

fKSS, functional Knee Society Score; HKA, hip-knee-ankle; ROM, range of motion; VAS, Visual Analogue Score.