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