Asked by Joshua Leahy on Aug 01, 2024

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An epidemiologist decides to investigate the incidence of diabetes in a population of 300 older adults who live in a nursing home.She visits the nursing home in January 1,2017 and later in December 31 of the same year.She looks into the records of these patients and learns that in her first visit,25 patients had diabetes and 35 in her second visit.What number should be included in the denominator for her calculation of incidence?

A) 10
B) 25
C) 35
D) 300
E) 275

Denominator

The bottom number in a fraction used to calculate a rate or ratio, representing the total number or population against which a subset is compared.

Older Adults

Individuals typically aged 65 years and older, often studied in the context of aging, health outcomes, and social conditions.

Diabetes

A metabolic disease characterized by high blood sugar levels over a prolonged period, resulting from defects in insulin secretion, insulin action, or both.

  • Differentiate between the numerator and denominator in calculations of incidence rates.
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Cherantej ParuchuriAug 02, 2024
Final Answer :
E
Explanation :
Because 25 patients already had diabetes at the beginning of her study,only 275 were at risk of diabetes.The denominator for calculating incidence should be the population at risk of getting the disease; therefore 275 is the right answer.