Calculate the prevalence if incidence is 2 cases per 1000 population oer year and mean duration is 4 years –
Correct Answer: 8 cases per 1000 population
Description: the relationship between incidence and prevalence can be calculated as,prevalence =incidence*mean duration ,here in this case it equals 2*4 that is 8 cases per 1000 population. ref:park&;s textbook of preventive and social medicine,22nd edition,pg no 58
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Social & Preventive Medicine
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