Prognostic value of autoantibodies for development of erosive disease in patients with RA. High titre RF, anti-CCP, and anti-RA33 in patients with RA with erosive and non-erosive disease
| Erosive | Non-erosive | PPV | p Value | |
|---|---|---|---|---|
| (n = 36) | (n = 30) | (%) | ||
| Follow up time (months), median (range) | 36 (12–48) | 30 (12–48) | ||
| High titre RF (n) | 21 | 6 | 78 | 0.002 |
| Anti-CCP (n) | 22 | 3 | 88 | <0.001 |
| Anti-RA33 (n) | 11 | 7 | 61 | 0.51 |