Prevalence Flashcards
1
Q
What does prevalence depend of?
A
Incidence and duration of disease
2
Q
What is point prevalence?
A
Measures burden of disease in a population at a given point in time
- Good for chronic diseases
3
Q
Equation for point prevalence
A
Point prevalence = Number of people with disease at that point in time/ Number of people in population in that point in time
4
Q
What is period prevalence?
A
Measures burden of disease in a population over a period of time
- Good for acute episodes of disease
5
Q
Equation for period prevalence
A
Period prevalence= Number of people with disease at that period in time/ Number of people in population in that period in time
