Larsen score at two years for the whole early rheumatoid arthritis cohort stratified on different antibodies at baseline
| Antibody | Positive | Negative | p Value |
|---|---|---|---|
| Values are mean (SEM). | |||
| CCP, cyclic citrullinated peptide; RF, rheumatoid factor. | |||
| Anti-CCP | 11.2 (0.9) | 7.5 (1.7) | <0.05 |
| (n = 83) | (n = 28) | ||
| IgG-RF | 13.4 (1.2) | 7.6 (0.9) | <0.0001 |
| (n = 54) | (n = 58) | ||
| IgA-RF | 11.2 (1.0) | 6.2 (1.0) | <0.001 |
| (n = 90) | (n = 22) | ||
| IgM-RF | 10.8 (0.9) | 7.2 (1.6) | NS |
| (n = 98) | (n = 14) | ||