Results of logistic regression analysis of baseline variables to predict radiographic progression at two years 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 | −3.468 | 0.438 | 80.2% | |||||||
| Anti-CCP ⩾25 | 2.694 | 0.364 | 14.8 | 7.2 to 30.2 | ||||||
| Sharp/van der Heijde | 0.102 | 0.029 | 1.1 | 1.0 to 1.2 | ||||||
| ESR | 0.024 | 0.007 | 1.02 | 1.01 to 1.04 | ||||||
| Variables not in equation | p value | |||||||||
| IgM-RF ⩾45 | 0.376 | |||||||||
| ACF ⩾140 | 0.099 | |||||||||
| DAS28 | 0.412 | |||||||||
| C reactive protein | 0.616 | |||||||||
| HAQ | 0.481 | |||||||||