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Table 4 ROC curve cut-off value for critical cases 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 ROC curve

P value

95% confidence interval

      

Lower bound

Upper bound

Cut-off

Sensitivity %

Specificity %

PPV (%)

NPV (%)

Accuracy (%)

CT-severity scoring system (CT-SSS)

0.988

< 0.001

0.970

1.006

15.5

100

92.7

78.13

100.00

94.21

LDH

0.876

< 0.001

0.791

0.962

399.5

76

87.5

61.29

93.33

85.12