5. Sensitivity & Specificity 25/30 sensitivity 68/70 specificity 100 70 30 Total 73 68 5 Test - 27 2 25 Test + Total Disease - Disease +
6.
7.
8.
9. Sensitivity & Specificity 1,000,000 999,000 1,000 Total 998,002 998,001 1 Test - 1,998 999 999 Test + Total HIV - HIV +
10. Sensitivity & Specificity 0.1% Prevalence 998,001/998,002 NPV 999/1,998 PPV 1,000,000 999,000 1,000 Total 998,002 998,001 1 Test - 1,998 999 999 Test + Total HIV - HIV +