Overall final diagnosis after followup. Values are n (%).
| Final Diagnosis | Values |
|---|---|
| Rheumatoid arthritis | 7 (9.5) |
| Ankylosing spondylitis | 2 (2.7) |
| Psoriatic arthritis | 5 (6.8) |
| Degenerative arthropathy | 12 (16.2) |
| Crystal arthropathy | 4 (5.4) |
| Chondrocalcinosis | 2 (2.7) |
| Gout | 3 (4.1) |
| Villonodular synovitis | 2 (2.7) |
| Osteochondromatosis | 1 (1.4) |
| Giant cell arthritis | 1 (1.4) |
| Behçet disease | 1 (1.4) |
| Latent infectious arthritis | 4 (5.4) |
| Others | 2 (2.7) |
| Undifferentiated arthritis | 21 (28.4) |
| Lost to followup | 7 (9.5) |
| Total | 74 (100) |