In a stable situation-
Correct Answer: Prevalence = Incidence x Duration
Description: prevalence refers specifically to all current cases existing at agiven point in time ,or over a period of time in a given population. Prevalence depends on 2 factors,incidence and duration of disease. Given assumption that the population is stable,and incidence and duration are unchanging ,the relationship between incidence and prevalence can be expressed as P=I*D = incidence *mean duration. Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 61
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Social & Preventive Medicine
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