Results of logistic regression analysis of entry variables predictive of HAQ score at entry and after one year
| Dependent variable | Predictors | Coefficient (β) | Standard error | Odds ratio | 95% CI | Accuracy3-150 |
| HAQ at entry | Constant (β0) | −6.89 | 1.55 | |||
| DAS score | 0.97 | 0.26 | 2.64 | 1.59, 4.37 | 74% | |
| CRP level | 0.32 | 0.09 | 1.38 | 1.13, 1.67 | ||
| HAQ at 1 year | Constant (β0) | −1.12 | 0.58 | |||
| HAQ score at entry | 1.09 | 0.34 | 2.98 | 1.52, 5.86 | 73% | |
| pain (VAS) | 0.02 | 0.01 | 1.02 | 1.00, 1.04 |
↵3-150 Accuracy = correctly classified patients.