Accumulation of irreversible joint damage score with disease duration, number (%)
| RAAD-score | 1st year | 2–4 yrs | 5–9 yrs | 10–19 yrs ) | ≥20 yrs |
|---|---|---|---|---|---|
| (N=69) | (N=228 | (N=253) | (N=239) | (N=218) | |
| 0 (no joint damage) | 59 (86) | 158 (69.3) | 145 (57.3) | 81 (33.9) | 80 (36.7) |
| 1–5 | 8 (12) | 65 (28.5) | 92 (36.4) | 103 (43.1) | 42 (19.3) |
| 6–10 | 2 (3) | 4 (1.8) | 11 (4.3) | 34 (14.2) | 28 (12.8) |
| 11–20 | 4 (1.6) | 13 (5.4) | 36 (16.5) | ||
| >20 | 1 (0.4) | 1 (0.4) | 8 (3.3) | 32 (14.7) | |
| Average (range) | 0,4 (0–6) | 0,9 (0–23) | 1,6 (0–37) | 2,2 (0–18) | 9,0 (0–59) |