11/11/21 formulas Flashcards
1
Q
The incidence of a disease
A
Refers to the rate of new or newly diagnosed cases of the disease within a defined period of time.
2
Q
The prevalence of a disease
A
the actual number of cases alive with the disease either during a period of time or at a particular date in time.
3
Q
The negative predictive value of a test is defined as t
A
he fraction of patients with a negative test result that do not have the specific disease or if a patient tests negative, what is the likelihood that they do not have the disease.
