Table 3

Final regression model for disease worsening

p ValueOR95% CI
Age (years) 0.001 1.02 1.01 to 1.04
Lung fibrosis 0.0004 2.21 1.43 to 3.41
CRP elevation 0.002 1.80 1.23 to 2.63
Muscle weakness 0.015 1.64 1.10 to 2.45
Active DU 0.026 1.64 1.06 to 2.54
Proteinuria0.0641.750.97 to 3.16
Pericardial effusion0.0981.650.91 to 2.97
Significant dyspnoea0.4911.200.72 to 2.00
  • Parameters in bold had strong evidence for a significant association with disease progression in the final model.

  • CRP, C-reactive protein; DU, digital ulcer.