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Table 5 Sensitivity, specificity and predictive values of the risk score

From: Predictive value of a series of inflammatory markers in COPD for lung cancer diagnosis: a case-control study

 

AUC (95%CI)

Cut-off value

S (%)

Sp (%)

PPV (%)

NPV (%)

Risk score*

0.78 (0.71–0.86)

> 3.5 points

80

65.1

43.5

90.7

  1. * The points assigned to each predictor variable were based on coefficients obtained from the logistic-regression model adjusted for age, sex, alpha 1-antitripsin, cholesterol and neutrophils; S: sensitivity; Sp: specificity; PPV: positive predictive value; NPV: negative predictive value, AUC: area under the curve; CI: confidence interval