Table 1. Demographic and clinical characteristics of patients.

	n	%	Mean±SD	Range
Age (year)			53.7±12.8	29-83
Sex
Female	53	71.6
Male	21	28.4
Indications
Primary OA	50	67.6
DDH without OA	11	14.9
Avascular necrosis	8	10.8
Rheumatoid arthritis	2	2.7
DDH with OA	2	2.7
Posttraumatic OA	1	1.4
SD: Standard deviationp; OA: Osteoarthritis; DDH: Developmental dysplasia of the hip.