Epidemiology

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6 Terms

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Epidemiology

Study of the relation among various factors that determine the frequency and distribution of diseases in a population

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Key elements of epidemiologic Research

  • large sample sizes representative of a defined population

  • Early work focused on acute illness

    • 1700’s scurvy

    • 1800’s cholera

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What he said about Key elements of epidemiologic research

Disease- it is not just infections, disease is anything that impairs health

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Incidence

number of new cases with a given outcome at a specified point in time

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Prevalence

number of existing cases with a given outcome at a point in time

  • regardless of how long each individual has been affected

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Mortality

the number of deaths in a population