Table 1.

Demographic characteristics of the study group

Patient characteristics	Mean values (range) or count (percent)
Age at surgery (years)	48.6 (15–78)
Weight (kg)	80.6 (42–135)
Height (cm)	174.8 (140–193)
Body mass index (kg/m2)	26.2 (16–41)
Male/female ratio	129 (72.5%)/49 (27.5%)
Etiology
Osteoarthritis	114 (57%)
DDH	30 (15%)
Trauma	19 (9.5%)
Osteonecrosis	15 (7.5%)
LCP and SCFE	12 (6%)
Inflammatory	10 (5%)

DDH = developmental dysplasia of the hip; LCP = Legg-Calvé-Perthes disease; SCFE = slipped capital femoral epiphysis.