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Treatment groups by duration and agents
| Treatment Groups | n | % |
|---|---|---|
| Treated < 1 month or never | 54 | 28.9 |
| Treatment ≥1 month | 133 | 71.1 |
| Treatment > 3 months | 123 | 65.8 |
| Off treatment ≥12 months | 22 | 11.8 |
| Prednisone | 131 | 70.1 |
| Methylprednisolone | 13 | 7.0 |
| Methotrexate | 59 | 31.6 |
| Azathioprine | 9 | 4.8 |
| Mycophenolic acid | 13 | 7.0 |
| Hydroxychloroquine | 16 | 8.6 |
| Infliximab | 14 | 7.5 |
