Table 4

AUC of the ROC curve for biomarkers and severe disease course

AUC95% CI
PCT0.760.68 to 0.84
CRP0.700.61 to 0.79
Ferritin0.620.51 to 0.74
Lymphocyte count0.620.51 to 0.72
PSI score0.720.63 to 0.81
  • AUC, area under the ROC curve; CRP, C reactive protein; PCT, procalcitonin; PSI, Pneumonia Severity Index; ROC, receiver operating characteristics.