Demographic and clinical characteristics of patients undergoing total hip arthroplasty for ankylosed hip joints
| Characteristic | No. (%)* |
|---|---|
| No. of patients (no. of hips) | 47 (76) |
| Sex | |
| Male | 29 (62) |
| Female | 18 (38) |
| Affected side | |
| Right | 36 (77) |
| Left | 40 (85) |
| Age, mean (range) yr | 53 (22–72) |
| Duration of disease at time of surgery, mean (range) yr | 7.5 (5–9) |
| Patient follow-up time, mean (range) yr | 5.5 (2–11) |
| Presence of hip flexion contracture | 67 (88) |
| Cause of ankylosis | |
| Rheumatoid arthritis | 9 (19.1) |
| Tuberculosis of the hip | 6 (12.9) |
| Sequela of the septic arthritis | 7 (14.9) |
| Anklylosing spondylitis | 16 (34.0) |
| Osteoarthritis | 5 (10.6) |
| Hip trauma | 4 (8.5) |
↵* Unless otherwise indicated.