Clinical 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 | 1.08 | 0.88 | 1.32 | 0.45 |
| Age | 1.08 per decade | 1 | 1.16 | 0.05 |
| Time in clinic | 0.66 per decade | 0.56 | 0.78 | <0.001 |
| Initial ESR | 1.01 | 1 | 1.01 | <0.001 |
| Tender | 1.02 per joint | 1.01 | 1.03 | 0.002 |
| Swollen | 1.08 per joint | 1.05 | 1.1 | <0.001 |
| Deformed joints | ||||
| None (0) | 1 | |||
| Low (1–4) | 2.84 | 2.1 | 3.85 | <0.001 |
| Medium (5–9) | 5.6 | 3.89 | 8.08 | <0.001 |
| High (>9) | 5.88 | 4.18 | 8.28 | <0.001 |
| Drugs | 1 | |||
| None | ||||
| NSAIDs | 1.18 | 0.86 | 1.61 | 0.31 |
| DMARDs | 1 | 0.67 | 1.48 | 0.99 |
| Steroids | 1.43 | 0.99 | 2.06 | 0.06 |
| Initial arthritis duration | ||||
| Damaged | 1.06 per decade | 0.92 | 1.22 | 0.39 |
| Undamaged | 1.54 per decade | 1.22 | 1.96 | <0.001 |