Table 3. Factors related to hip abductor muscle strength at 2 months and 6 months after surgery.

Independent variable	Standard partial regression coefficient (β)	R	R2
Included factors (2 months after surgery)
Hip abductor muscle strength at preoperative period	0.467	0.550	0.303 *
BMI	−0.291	0.607	0.369 *
JHEQ mental score at postoperatively 2 months	0.212	0.643	0.413 *
Included factors (6 months after surgery)
Hip abductor muscle strength at preoperative period	0.443	0.532	0.283 *
BMI	−0.286	0.604	0.364 *
JHEQ mental score at postoperatively 6 months	0.198	0.635	0.403 *

*p<0.05