Table 3

 Clinical damage model

FactorRelative damage rateLower 95% CIUpper 95% CIp Value
DMARDs, disease-modifying antirheumatic drugs; ESR, erythrocyte sedimentation rate; NSAIDs, non-steroidal anti-inflammatory drugs.
Sex
    Female1
    Male1.080.881.320.45
Age1.08 per decade11.160.05
Time in clinic0.66 per decade0.560.78<0.001
Initial ESR1.0111.01<0.001
Tender1.02 per joint1.011.030.002
Swollen1.08 per joint1.051.1<0.001
Deformed joints
    None (0)1
    Low (1–4)2.842.13.85<0.001
    Medium (5–9)5.63.898.08<0.001
    High (>9)5.884.188.28<0.001
Drugs1
    None
    NSAIDs1.180.861.610.31
    DMARDs10.671.480.99
    Steroids1.430.992.060.06
Initial arthritis duration
    Damaged1.06 per decade0.921.220.39
    Undamaged1.54 per decade1.221.96<0.001