Step and variable | Hazard ratio (95% CI) | P |
---|---|---|
Mortality due to pneumonia | Â | Â |
1. Age | 1.08/yr (1.05, 1.17) | < 0.0001 |
2. MMP-8 (ng/ml) | 1.012 (1.010, 1.025) | 0.0002 |
3. Nodular disease | 2.36 (1.01, 5.53) | 0.01 |
4. Rheumatoid factor | 2.66 (1.03, 6.82) | 0.05 |
Mortality due to other respiratory diseases* | Â | Â |
1. Age | 1.09/yr (1.03, 1.16) | 0.006 |
2. Nodular disease | 4.45 (1.55, 12.81) | 0.006 |
3. MMP-8 (ng/ml) | 1.016 (1.004, 1.03) | 0.004 |