Table 1 Patient demographics, diagnosis, and surgical approaches

 Number of hips

118 hips

 Age at operation (mean ± SD, range)

61.2 ± 10.0 (20–84) years

  Males

18 hips

  Females

100

 Body weight (mean ± SD, range)

55.9 ± 9.6 (38–81) kg

 BMI (mean ± SD, range)

23.3 ± 3.2 (17.4–33.6)

 Follow-up period (mean ± SD, range)

126.3 ± 5.8 (120–139) months

 Osteoarthritis

104 hips

  Primary osteoarthritis

12

  Dysplastic osteoarthritis

92

 Idiopathic osteonecrosis of femoral head

9

 Rheumatoid arthritis

2

 Rapidly destructive coxarthritis

2

 Miscellaneous

1

 Direct anterior approach

97 hips

 Direct lateral approach

20

 Transtrochanteric approach

1