Excel
ÐÑедаваÑе 7
ÐÑедаваÑе 7
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Sensitivity, Specificity<br />
sensitivity =<br />
a / (a+c)<br />
specificity =<br />
d / (b+d)<br />
Patient<br />
s with<br />
disease<br />
Patients<br />
without<br />
disease<br />
Test is<br />
positive<br />
a b<br />
Test is<br />
negativ<br />
e c d<br />
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