Amount of previously unrecognized disease which is diagnosed by screening effo, is -

Ans. is `a' i.e., Yield Yield of the screening test: Is the amount of previously unrecognized disease that is diagnosed as result of screening effo. Yield of the screening test depends on: Sensitivity of screening test. Specificity of screening test. Prevalence of the disease in population. Paicipation of individuals in the detection programme. Yield of a screening test increases by: selecting high risk population for screening.