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Table 1.
preoperative diagnosis of patients
| Preoperative diagnosis | Patients(n) | Joints(n) |
|---|---|---|
| Rheumatoid arthritis | 14 | 22 |
| Osteoarthritis | 12 | 17 |
| Posttraumatic arthritis | 3 | 4 |
| Total | 29 | 43 |