Distribution summary of progression to A or B flares from previous BILAG score of E, D, C, or B. Each cell shows the number of patients.
| Organ Systems | E→A | D→A | C→A | B→A | E→B | D→B | C→B |
|---|---|---|---|---|---|---|---|
| General | 0 | 0 | 0 | 0 | 4 | 0 | 1 |
| Mucocutaneous | 2 | 1 | 1 | 7 | 28 | 19 | 17 |
| Neurologic | 4 | 2 | 0 | 1 | 5 | 0 | 0 |
| Musculoskeletal | 1 | 0 | 0 | 3 | 19 | 14 | 26 |
| Cardiorespiratory | 0 | 0 | 0 | 1 | 3 | 1 | 0 |
| Vasculitis | 1 | 0 | 1 | 2 | 5 | 1 | 2 |
| Renal | 4 | 2 | 6 | 10 | 26 | 10 | 38 |
| Hematologic | 0 | 0 | 0 | 8 | 13 | 17 | 37 |
BILAG: British Isles Lupus Assessment Group index.