Epidemiology — Flashcards

If people with a chronic disease live longer, there is _____ incidence and increased prevalence

When do you use a CIR?- when there is a _____ population that is starting at a common point in time- when an outcome can occur only once- and when disease event rates are relatively stable over time

_____ is a measure of malaria incidence and is calculated as: (Confirmed cases during the year / Population under surveillance) × 1000

Development of an effective vaccine for disease causes _____ incidence and decreased prevalence

Length time bias can be reduced via a randomized controlled trial that assigns subjects to the _____ or to no screening

Selection bias, most commonly a type of _____, can be reduced via concealment

Development of an effective treatment for disease causes _____ incidence and decreased prevalence

Time elapsed from initial exposure or pathogenic insult to clinical manifestation of disease is known as:- _____ period in infectious disease - latent period in noncommunicable chronic diseases

IDR = (_____)/(sum of time periods for all disease free individuals at risk)

Beta-thalassemia is most commonly seen in individuals of _____ or Mediterranean descent