Medicine Yr1 Public Health Week 2-11 from lectu...
Medicine-Medicine Yr1 Public Health Week 2-11 from lectures & clinical epidemiology
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Week 2 - Intro & Terms & Concepts
Prevalence Prevalence per 1,000 [Number of cased of a disease present in a population in a specific time] x 1000/[number of people in the population at that time] Regarded as the number of affected people present in the population at a specific time divided by the number or people in the population at that time Point prevalence Measured at a single point in time for each patient Period prevalence Measured over a specified period of time Incidence Incidence per 1,000 [No of new cases of a disease occurring in the population during a specific period of time] x 1000/[number of people at risk of developing the disease at that period of time] Regarded as the number of new cases of disease that occur during a specified period of time in a population at risk of developing the disease Incidence Density Process of measure the number of new cases emerging in a...
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