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Patient characteristics.
| Age (mean ± SD years) | 65.8 ± 9.9 |
| Follow-up time (mean ± SD years) | 5.5 ± 0.8 |
| BMI (mean ± SD kg/m2) | 26.7 ± 4.6 |
| Gender (count, %) | Male: 115 (43%) |
| Female: 151 (57%) | |
| Laterality (count, %) | Right: 145 (55%) |
| Left: 121 (45%) | |
| Bilateral (count, %) | 23 (9%) |
| Diagnoses (count, %) | Avascular necrosis: 9 (3%) |
| Hip dysplasia: 26 (10%) | |
| Osteoarthritis: 228 (86%) | |
| Post-traumatic: 3 (1%) |
BMI, body mass index.
