Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Relative risk |
Incidence of outcome in exposed / incidence among unexposed |
|
|
Absolute risk reduction |
Control event rate - experimental event rate |
|
|
NNT |
1/ARR |
|
|
Sensitivity |
true positive / all with disease (true positives + false negatives) |
|
|
Specificity |
true negative / all without disease (false positives + true negatives) |
|
|
Positive predictive value |
true positives / all test positives |
|
|
negative predictive value |
true negative / all test negatives |
|
|
as prevalence of a dz increases, what happens to PPV and NPV? |
PPV increases and NPV decreases and vice versa |
