Results of logistic regression analysis of baseline variables to predict rheumatoid arthritis at one year in early arthritis
| B | SE | Odds ratio (Exp(B)) | 95% CI | Accuracy | |||
|---|---|---|---|---|---|---|---|
| ACF, antibodies to citrullinated human fibrinogen; CCP, cyclic citrullinated peptide; CI, confidence interval; DAS28, 28 joint disease activity score; HAQ, health assessment questionnaire; RF, rheumatoid factor; ROC, receiver operating characteristic; VAS, visual analogue scale. | |||||||
| Constant | −3.355 | 0.622 | 78.0% | ||||
| Anti-CCP ⩾25 | 1.536 | 0.587 | 4.6 | 1.5 to 14.7 | |||
| IgM-RF ⩾45 | 1.521 | 0.662 | 4.6 | 1.3 to 16.7 | |||
| ACF ⩾140 | 1.443 | 0.614 | 4.2 | 1.3 to 14.1 | |||
| DAS28 | 0.800 | 0.145 | 2.2 | 1.7 to 3.0 | |||
| Pain (VAS) | −0.014 | 0.007 | 0.99 | 0.97 to 0.99 | |||
| Variables not in equation | p value | ||||||
| Age | 0.204 | ||||||
| ESR | 0.484 | ||||||
| C reactive protein | 0.089 | ||||||
| HAQ | 0.371 | ||||||
| Sharp/van der Heijde | 0.611 | ||||||