All::Clinical Science::Study Design::Incidence and prevalence
Intro
In statistics, what is incidence?
the number of new cases per population in a given time period
In statistics, what is prevalence?
the total number of cases per population at a particular point in time
In statistics, what is point prevalence?
number of cases in a defined population / number of people in a defined population at the same time
In statistics, what is period prevalence?
number of identified cases during a specified period of time / total number of people in that population
What is the Relationship between Incidence and prevalence?
prevalence = incidence * duration of condition