Table 3.

Comparison of patients undergoing primary THA and TKA with regard to willingness to have surgery again

WOMAC outcome		Hip	Knee	Significance*
Preoperative	Pain	41.61 ± 17.06	43.38 ± 16.82	0.004
	Joint stiffness	38.72 ± 19.67	40.16 ± 20.31	0.047
	Function	37.94 ± 16.55	42.36 ± 16.24	< 0.0001
	Total	38.77 ± 15.80	42.39 ± 15.04	< 0.0001
1 year	Pain	91.11 ± 13.85	86.24 ± 16.31	< 0.0001
	Joint stiffness	87.24 ± 16.27	79.42 ± 19.70	< 0.0001
	Function	86.04 ± 15.47	80.88 ± 17.62	< 0.0001
	Total	87.20 ± 14.34	81.88 ± 16.64	< 0.0001
Change	Pain	49.70 ± 19.62	42.04 ± 20.62	< 0.0001
	Joint stiffness	47.90 ± 23.88	38.08 ± 25.01	< 0.0001
	Function	47.79 ± 20.26	37.98 ± 20.85	< 0.0001
	Total	48.17 ± 19.05	38.84 ± 19.74	< 0.0001

* Significance was found at the level of 0.05; all WOMAC domains scores were significant between joint arthroplasty groups.