Table 1.

Demographics of the 67 patients

Variable	Value
Age at surgery (years)*	63 (41–87)
Gender (male/female)	7/60
Body mass index (kg/m2)*
Male patients	22.5 (16.4–30.5)
Female patients	23.3 (16.2–34.7)
Preoperative diagnosis (number of hips)
Osteoarthritis resulting from developmental dislocation of the hip	61 (91%)
Osteonecrosis	5 (7%)
Rheumatoid arthritis	4 (6%)
Sequelae of pyogenic infection	2 (3%)

*Values expressed as mean, with range in parentheses.