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Table showing the stage-wise proportion of cases underwent radiological progression, collapse, and surgery
| Stage at the commencement of treatment | Number of affected joints at presentation | Number of joints had radiological progression | Number of joints had radiological collapse | Number of joints underwent surgery |
|---|---|---|---|---|
| I | 7 | 4/7 (57.1%) | 1/7 (14.3%) | 0/7 |
| II | 11 | 5/11 (44.5%) | 5/11 (44.5%) | 1/11 (9.1%) |
| Total | 18 | 9/18 (50%) | 6/18 (33.3%) | 1/18 (5.6%) |
