Table 1 Baseline demographic data of study cohort

No. of hips

30

50

80

Male/female

16/14

29/21

45/35

Mean (range) age (years)

57.5 (41–71)

56.2 (30–69)

56.7 (30–71)

Mean (range) BMI (kg/m²)

27.1 (20–33)

27.0 (18–35)

27.0 (18–35)

Diagnosis, no. of hips (%)

 Osteoarthritis

27 (90.0%)

41 (82.0%)

68 (85.0%)

 Avascular necrosis

2 (6.7%)

1 (2.0%)

3 (3.8%)

 Posttraumatic arthritis

7 (14.0%)

7 (8.8%)

 Other

1 (3.3%)

1 (2.0%)

2 (2.5%)