Table 4. Test characteristics of multivariate prediction score at various cutoff points
Cutoff point Sensitivity, % Specificity, % NPV, % PPV, %
>15 91.4 38.1 69.7 74.0
>25 80.2 66.7 63.6 82.3
>35 53.1 90.5 50.0 91.5
>45 24.7 97.6 40.2 95.2
Abbreviations: NPV, negative predictive value; PPV, positive predictive value Abbreviations: NPV, negative predictive value; PPV, positive predictive value Abbreviations: NPV, negative predictive value; PPV, positive predictive value Abbreviations: NPV, negative predictive value; PPV, positive predictive value Abbreviations: NPV, negative predictive value; PPV, positive predictive value