WHAT IS THE PUBLIC HEALTH “NUMERATOR” & “DENOMINATOR”

What it is – How it works?

Courtesy: http://www.CertifiedMedicalPlanner.org

In public health epidemiology, while numerators are measures of health events, the denominator is the population from which events are drawn.

LINK: https://www.amazon.com/Dictionary-Health-Economics-Finance-Marcinko/dp/0826102549/ref=sr_1_6?ie=UTF8&s=books&qid=1254413315&sr=1-6

For example, if we are measuring the incidence of Covid-19 among teens, who might comprise your denominator?

ANSWER: Any denominators used should be reflective of the population who could have been included in the numerator had they developed the condition of interest. This is the population at risk, and is often taken as the number of people who are disease-free at the start of data collection. If individuals who could not develop the condition of interest were included in the denominator, this would result in an underestimation of calculated rates.

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PODCAST: https://www.coursera.org/lecture/epidemiology-tools/denominators-jnpaa

PODCAST: https://www.healthknowledge.org.uk/public-health-textbook/research-methods/1a-epidemiology/numerators-denominators-populations

Assessment: Your thoughts and comments are appreciated.

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