ERIC: Incidence & Prevalence Flashcards Preview

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Flashcards in ERIC: Incidence & Prevalence Deck (6)
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1

Dx Incidence

measure of new cases of a dx in at-risk populations

2

Dx Prevalence

frequency of existing cases of a dx in at-risk populations

3

When is dx INCIDENCE a more useful measure than dx PREVALENCE?

When you care about who rapidly new cases of a dx are occurring

4

When is dx PREVALENCE a more useful measure than dx INCIDENCE?

When you care about the proportion of dx cases:total at risk population

or when you can't readily identify the onset of a dx in a population

5

Units for Incidence

cases/person:time

or

cases/population at risk

6

Units for Prevalence

cases/total population at risk