1
Q
incidence
A
number of new instances of disease in a population over a given time period
2
Q
how is incidence expressed
A
X cases/Y population/ Z time
3
Q
prevalence
A
number of affected persons in the population at any given point in time
4
Q
how is prevalence expressed
A
X cases/Y population
5
Q
point prevalence
A
snapshot of the population and its rate of a certain disease at a point in time
6
Q
period prevalence
A
tracks the prevalence over a certain duration
7
Q
Incidence (I) includes time while prevalence (P) does not. Time (D) reflects the duration of the illness or condition.
What is the equation with the three variables?
A
P = I * D
8
Q
A
Disease detectives
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