Skip to main content

Table 3 Diagnostic classification accuracy of predicting high CVD risk at different cut-off values

From: A six question screen to facilitate primary cardiovascular disease prevention

 

TP

FN

FP

TN

Sensitivity

Specificity

PPV

LR +

LR-

Cut-off ≥40

254

12

1181

4742

95.5 %

80.1 %

17.7 %

4.8

0.1

Cut-off ≥45

247

19

888

5035

92.9 %

85.0 %

21.8 %

6.2

0.1

Cut-off ≥50

198

68

438

5485

74.4 %

92.6 %

31.1 %

10.1

0.3

  1. CVD cardiovascular disease, TP true positive, FN false negative, FP false positive, TN true negative, PPV positive predictive value, LR+ positive likelihood ratio, LR- negative likelihood ratio