Prior treatments, by episode.
| Treatments | Episodes, n |
|---|---|
| NSAID | |
| 1 day | 1 |
| > 1 day | 1 |
| Colchicine | |
| ≤ 2 doses | 19 |
| > 2 doses | 7 |
| Prednisone | |
| 1 day | 1 |
| > 1 day | 22 |
| Intraarticular glucocorticoid | 7 |
| Operative washout | 3 |
| No other therapy | 55 |
NSAID: nonsteroidal antiinflammatory drug.