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Table 5 Comparison of AUC, truncation value, sensitivity, and specificity of 3 indicators

From: Clinical characteristics and laboratory indicator analysis of 67 COVID-19 pneumonia patients in Suzhou, China

Indicator AUC Diagnostic threshold Sensitivity (%) Specificity (%) PPV(%) NPV(%) DA(%) 95% confidence interval b Standard error Significance level P (area = 0.5)
L 0.951 1.071*10^9/L 88.9 6.1 93.6 89.4 91.4 0.892–1.000 0.03 <0.0001
MB 0.754 36.6 ng/mL 61.1 14.3 81.1 68.8 73.4 0.622–0.886 0.067 0.002
FIB 0.973 4.805 g/L 100 14.3 87.5 1 92.9 0.943–1.000 0.016 <0.0001