Table 3.

The adjusted results for factors associated with postoperative WOMAC index, abductor muscle strength, and use of walking aids

	Coefficient	95% CI	p-value
Postop WOMAC index
Female	1.00	Ref
Male	−5.96	−10.3 to −1.66	0.007
Age	0.40	0.18 to 0.63	0.001
Decreased FO group Restored/	1.00	Ref
Increased FO group	−0.53	−3.4 to 2.3	0.7
Preop. WOMAC index	0.12	−0.4 to 0.28	0.1
Abductor muscle strength
Female	1.00	Ref
Male	−3.11	−10.2 to 0.97	0.4
Age	0.02	−0.36 to 0.38	0.9
Decreased FO group Restored/	1.00	Ref
Increased FO group	11.0	57.1 to 121.3	< 0.001
Preop. WOMAC index	−0.06	−0.33 to 0.20	0.6
Use of walking aids
Female	1.00	Ref
Male	0.19	0.08 to 0.43	< 0.001
Age	1.09	1.04 to 1.14	< 0.001
Decreased FO group	1.00	Ref
Restored FO group	0.52	0.20 to 1.32	0.2
Increased FO group	0.65	0.24 to 1.73	0.4
Preop. WOMAC index	1.01	0.98 to 1.04	0.7
Abductor muscle strength	1.00	0.99 to 1.02	0.8