Stats Flashcards
1
Q
PPV
A
a/(a+b)
2
Q
NPV
A
d/(c+d)
3
Q
sensitivity
A
a/(a+c)
4
Q
specificity
A
d/(d+b)
5
Q
prevalence
A
ppl with /# ppl exposed
PPV
a/(a+b)
NPV
d/(c+d)
sensitivity
a/(a+c)
specificity
d/(d+b)
prevalence
ppl with /# ppl exposed