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 in the numerator for her calculation of incidence?

Question

Quizplus · Accepted Answer

These 10 people represent the new cases of diabetes,because at the beginning there were already 25 diabetics.300 represents the total population,and 275 represents the population at risk of diabetes at the beginning of the study.

An Epidemiologist Decides to Investigate the Incidence of Diabetes in a Population