Statistics/epi Flashcards
1
Q
What is sensitivity?
A
Truly infected animals that are positive
2
Q
What is the formula for sensitivity?
A
TP/(TP+FN)
3
Q
What is the definition of specificity?
A
Truly uninfected that test negative
4
Q
What is the formula for specificity?
A
TN/(TN+FP)
5
Q
What is the odds ratio?
A
Odds of disease in exposed/odds of disease in unexposed
6
Q
What does an odds ratio of >1 mean?
A
Means that exposure is correlated with more disease
7
Q
What does an odds ratio of <1 mean
A
Exposure is related with less disease
