Lecture 7 9/4/24 Flashcards
1
Q
What is true prevalence?
A
pre-test probability of a disease
2
Q
What is apparent prevalence?
A
post-test probability of a disease
3
Q
What is accuracy?
A
the ability of the test to correctly identify both those with and without the disease
4
Q
How is accuracy calculated?
A
the proportion of all test results, both positive and negative, that are correct
5
Q
How is true prevalence calculated?
A
the total number of truly positive individuals/total population
6
Q
How is apparent prevalence calculated?
A
the total number of test positive individuals/total population