Frequency measures
•
Peak prevalence
•
The proportion of cases with an event in a given population
at
a specific time point
•
Period prevalence
•
The proportion of cases with an event in a given population
in a
certain period of time
•
Incidence
•
The proportion of NEW cases with an event in a given
population in a
certain period of time
•
Cumulative incidence
•
= incidence with censored data




