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Defining Incidence and Prevalence using Prevalence Pot

Defining Incidence and Prevalence using Prevalence Pot

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Defining Incidence and Prevalence using Prevalence Pot

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  1. Defining Incidence and Prevalence using Prevalence Pot Liz Diem www.chnresources.org

  2. Prevalence Pot with people who are ill with specific illness OLD CASES with specific illness People in Population who are not ill with that illness www.chnresources.org

  3. Prevalence Pot- Add to number in pot- INcidence New Cases: INcidence OLD CASES www.chnresources.org

  4. Prevalence Pot- remove from pot OLD CASES www.chnresources.org

  5. Prevalence= old cases who have not recovered or died + new cases New Cases: INcidence OLD CASES www.chnresources.org

  6. Example: New Cases of Cancer Is this Incidence or Prevalence? Date and Source: Fictitious example for 2007 www.chnresources.org

  7. PrevalencePercent of old and new cases in the population at a point in time www.chnresources.org