EBM Flashcards
1
Q
Based on the following picture, how would you calculate sensitivity?
A
a / (a+c)
2
Q
Based on the following picture, how would you calculate specificity?
A
d / (b+d)
3
Q
Based on the following picture, how would you calculate the PPV?
A
a / (a+b)
4
Q
Based on the following picture, how would you calculate the NPV?
A
d / (c+d)
5
Q
How is a + LR calculated?
A
sensitivity / (1- specificity)
6
Q
How is a - LR calculated?
A
(1 - sensitivity) / specificity