All of the following statements regarding prevalence are true except: (A) It is proportion, (B) Duration of disease effects prevalence, (C) Numerator is a part of denominator, (D) It is rate
Answer is D. Prevalence is a proportion with numerator being a part of denominator.
Prevalence refers specifically to all current cases (old and new) existing at a given point in time, or over a period of time in a given population.