Epidemiology

Basic Epidemiological Measures

Basic Epidemiological Measures

Measures used to quantify disease frequency and distribution in a population.

Key Metrics

  • Incidence: Number of new cases during a specific period.
  • Prevalence: Total number of existing cases at a specific point in time.
  • Attack Rate: Proportion of exposed individuals who become ill.
  • Case Fatality Rate: Proportion of deaths among those diagnosed with the disease.

Nursing Significance

  • Helps identify high-risk demographics for screening programs.
  • Guides resource allocation for community health initiatives.
  • Informs patient education regarding risk factor modification.

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