Table 1.

Demographic information.

Patients (hips)	84 (87)
Mean age (years)	57.8
Female sex	47 (56%)
Primary osteoarthrosis	45 (52%)
Osteonecrosis of the femoral head	19 (22%)
Hip dysplasia	9 (10%)
Rheumatoid arthritis	7 (8%)
Other diagnoses	7 (8%)