Cox proportional hazards model of possible predictors of mortality over two years in patients with rheumatoid arthritis
| Hazard ratio | 95.0% CI | p Value | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Model includes variables that were significant in univariate analysis adjusted for age and sex. Complete data were available in 965 patients and are included in the analysis. | ||||
| CI, confidence interval; HAQ, health assessment questionnaire; RF, rheumatoid factor; VAS, visual analogue scale. | ||||
| Age | 1.05 | 1.01 | 1.08 | 0.004 |
| Sex, male v female | 2.78 | 1.50 | 5.16 | 0.001 |
| Disease duration | 1.03 | 1.00 | 1.06 | 0.071 |
| RF, positive v negative | 3.19 | 1.23 | 8.23 | 0.017 |
| HAQ | 2.73 | 1.86 | 4.02 | <0.001 |
| Pain VAS | 0.99 | 0.97 | 1.01 | 0.146 |
| Global VAS | 1.01 | 0.98 | 1.03 | 0.619 |
| Number of comorbidities | 1.23 | 1.05 | 1.44 | 0.010 |