Prevalence of anti-chromatin antibodies in systemic autoimmune diseases and controls
| Group | Anti-chromatin antibodies No (%) | p |
|---|---|---|
| Systemic lupus erythematosus (n=100) | 69 (69) | <0.05 |
| Primary Sjögren’s syndrome (n=100) | 8 (8) | – |
| Systemic sclerosis (n=10) | 1 (10) | – |
| Primary antiphospholipid syndrome (n=30) | 2 (7) | – |
| Healthy blood donors (n=100) | 0 (0) | – |