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Epidemiological Conc
Basic Epidemiological Concepts
Question | Answer |
---|---|
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. |