Radiological damage model
| Factor | Relative damage rate | Lower 95% CI | Upper 95% CI | p Value |
|---|---|---|---|---|
| DMARDs, disease-modifying antirheumatic drugs; ESR, erythrocyte sedimentation rate; NSAIDs, non-steroidal anti-inflammatory drugs. | ||||
| Sex | ||||
| Female | 1 | |||
| Male | 1.09 | 0.86 | 1.37 | 0.47 |
| Age | 1.1 per decade | 1 | 1.21 | 0.05 |
| Time in clinic | 0.68 per decade | 0.53 | 0.87 | 0.002 |
| Initial ESR | 1.01 | 1 | 1.01 | 0.004 |
| Tender | 1.03 per joint | 1.01 | 1.04 | <0.001 |
| Swollen | 1.07 per joint | 1.04 | 1.09 | <0.001 |
| Deformed joints | ||||
| None (0) | 1 | |||
| Low (1–4) | 1.84 | 1.29 | 2.61 | 0.001 |
| Medium (5–9) | 2.77 | 1.9 | 4.03 | <0.001 |
| High (>9) | 2.98 | 2.1 | 4.24 | <0.001 |
| Drugs | ||||
| None | 1 | |||
| NSAIDs | 0.97 | 0.71 | 1.33 | 0.86 |
| DMARDs | 0.87 | 0.6 | 1.25 | 0.44 |
| Steroids | 0.85 | 0.59 | 1.24 | 0.4 |
| Initial arthritis duration | ||||
| Damaged | 0.99 per decade | 0.81 | 1.19 | 0.88 |
| Undamaged | 0.84 per decade | 0.63 | 1.12 | 0.23 |