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Epidemiological Conc

Basic Epidemiological Concepts

Prevalence Rate Number of cases or individuals in a particular population at given time with same illness. 450/1500= .3= 30%
Incidence Rate Number of new cases of disease occuring during a specific time period in a given population at risk. 15/1500=.1= 1%
Endemic Constant baseline presence of a disease in a population
Epidemic Occurance in a community or region of case illness
Pandemic World-wide Spread
Disease Occurance How common is the disease? Expressed as a rate. # of cases of a disease present in a given popualtion/ # of population at risk
Population Attributable risk (PAR) PAR %= PE (RR-1)/PE (RR-1)+1 pe= portion of population exposed RR= relative risk of disease associated with exposure.
Created by: eknugent