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Table 5 ROC curve cut-off value for COVID-19 mortality using CT-SSS and LDH

From: Comparative evaluation of semi-quantitative CT-severity scoring versus serum lactate dehydrogenase as prognostic biomarkers for disease severity and clinical outcome of COVID-19 patients

  Area under the curve P value 95% confidence interval       
Lower bound Upper bound Cut-off Sensitivity % Specificity % PPV (%) NPV (%) Accuracy (%)
CT-severity scoring system (CT-SSS) 0.959 < 0.001 0.924 0.993 18.5 100 91.9 52.63 100.00 92.56
LDH 0.876 < 0.001 0.788 0.964 533.5 100 62.2 19.23 100.00 65.29