NR 503 Epidemiology Midterm Study Guide

NR 503 Epidemiology Midterm NR 503 Mid-Term Study Guide 1. Understand and compare the different measures of morbidity (p. 41-58) Incidence rate is defined as the number of new cases of a disease that occur during a specified period of time in a population at risk for developing the disease. Incidence rate per 1,000= No. of new cases of a disease occurring in the population during a specified period of time/No. Of persons who are at risk of developing the disease during that period of time X 1,000. Incidence is a measure of events; measure of risk (transition from non-diseased to diseased). Prevalence is defined as the number of affected persons present in the population at a specific time divided by the number of persons in the population at that time. What proportion of the population is affected by the disease at that time? No. of cases with disease/No. Of persons in the population X 1,00 Study Guide