From Ist Jan 2007 to 30th June 2007, 22 new cases of tuberculosis were repoed per 1, 65, 000 population. But during this period 120 suspected cases of TB were newly registered. What will be the incidence rate?
Ref:Parks 23rd edition pg 60 Incidence = (no. of new cases of specific disease during a given time period / Population at-risk during that period) x1000 Incidence rate = (22/165000)x10,00000 = 133.3 per 10lakh
133 per 10,00, 000 population
90 per 10,00,000 population
75 per 10,00,000 population
270 per 10,00,000 population
Epidemiology