Table 1.

Clinical data

OA patients
Number of patients	80
Female/male	53/27
Mean age at time of operation	69.9 (± 0.86 years, range 51-87)
Left/right knee	36/44
Mean body mass index	28.6 (± 2.9, range 17.2-29.5)
Mean duration of the disease	3.2y (± 1.2 years, range 0.9-10.2)
Mean preoperative Harris Hip score	51.73 points (± 1.42, range 16-79)
Preoperative X-ray OA grade (Kellgren)	II: 4; III: 29; IV: 47

Clinical data on 80 patients with primary osteoarthritis of the hip are included in this study.