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What is A screening test done in an area with a population of 1000, showed 90 of them positive for diabetes.  The Gold standard diagnostic test done showed 100 as positive for diabetes.  Calculate the sensitivity of the screening test? and explain in detail?
Ref. Foundations of Community medicine. Page. 385
True positive (a) = 90 False negative(c) = 10 Sensitivity = a/(a+c) = 90/100