Prevalence:
50
%
Sensitivity:
80
%
Specificity:
80
%
Show relative population size:
True+ve (sensitivity)
True-ve (specificity)
False+ve
False-ve
Sensitivity
PPV
0
Specificity
NPV
0
ROC
Confusion Matrix
Has Disease
No Disease
Total
Test Positive
4000
2000
6000
Test Negative
1000
3000
4000
Total
5000
5000
10000
Calculations
TP = True Positive, FP = False Positive, TN = True Negative, FN = False Negative
Developed by D Marikar,
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