Characteristics of two groups
| Relapse | (−) | (+) |
| # | 17 | 20 |
| Age (yr) | 47 [30–72] | 28.5 [14–68] |
| CRP (mg/dl) | 0.13±0.03 | 0.13±0.03 |
| Steroid dose (mg/d equivalent to prednisolone) | 15.6±2.4 | 17.7±3.6 |
| Immunosuppressant | 2/17 | 7/35 |
| Duration until relapse (Days) | 702.5 [4–1769] |