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Table 5 Diagnostic accuracy of the predictors of alveolitis

From: Functional, radiological and biological markers of alveolitis and infections of the lower respiratory tract in patients with systemic sclerosis

  AUC (95% CI) p Cut-off value Se(%) Sp (%)
FVC 0.145 (-0.003 – 0.292) 0.000 80.5 77.8 100.0
DLCO 0.199 (0.058 – 0.340) 0.001 50.0 72.2 70.8
IL-6 0.694 (0.524 – 0.864) 0.045 0.75 80.0 60.9
Skin score 0.650 (0.473 – 0.826) 0.109 14.5 58.8 78.3
Alveolar score on HRCT 0.742 (0.591 – 0.893) 0.008 6.5 66.7 75.0
  1. AUC: area under curve ROC; FVC: forced vital capacity; DLCO: diffusing capacity for carbon monoxide; HRCT: high resolution computed tomography.