Table 4

 Hands and feet 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
    Male0.950.751.20.66
Age1.09 per decade11.190.05
Time in clinic0.67 per decade0.520.860.001
Initial ESR1.0111.010.003
Tender1.03 per joint1.011.04<0.001
Swollen1.07 per joint1.041.1<0.001
Deformed joints
    None (0)1
    Low (1–4)2.81.874.21<0.001
    Medium (5–9)5.413.538.31<0.001
    High (>9)5.193.168.52<0.001
Drugs
    None1
    NSAIDs1.390.962.020.09
    DMARDs0.960.611.520.87
    Steroids1.861.212.850.004
Initial arthritis duration
    Damaged1.08 per decade0.91.290.44
    Undamaged1.3 per decade1.061.60.01