Table 1.
Indications for THA
| Diagnosis | Number of hips |
|---|---|
| Rheumatoid arthritis of the hips | 75 |
| Osteoarthritis of the hips | 44 |
| Osteonecrosis of the femoral head | 40 |
| Ankylosing spondylitis | 8 |
| Miscellaneous conditions | 6 |
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