Comparison of serological features in SLE patients with and without erosive arthritis (EA)*
| Characteristic | SLE patients with EA | SLE patients without EA | Total | P value |
|---|---|---|---|---|
| Rheumatoid Factor, N (%)b | 5 (50) | 6 (20) | 11 (27.5) | 0.079 |
| ANA, N (%)b | 8 (80) | 14 (46.7) | 22 (55) | 0.069 |
| Anti-double stranded DNA, N (%)b | 9 (90) | 13 (43.3) | 22 (55) | 0.011* |