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Table 3 Test characteristics of the biomarker-based ARDS Mortality Risk Stratification Model decision trees

From: Development of a biomarker mortality risk model in acute respiratory distress syndrome

VariablesDerivation, 80% day 0, (n = 202, 44 non-survivors)Test, 20% day 0, resampled to n = 200
Values95% CIValues95% CI
True negatives528
False positives197
True positives104131
False negatives18
Sensitivity0.99(0.95, 0.99)0.94(0.88, 0.97)
Specificity0.21(0.07, 0.42)0.80(0.63, 0.97)
Positive predictive value0.85(0.81, 0.87)0.95(0.91, 0.97)
Negative predictive value0.83(0.39, 0.98)0.78(0.64, 0.87)