Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Investigative Techniques > Epidemiologic Methods > Statistics > Sensitivity and Specificity Terms and Definitions

Sensitivity and Specificity

Medical Definition:	Measures for assessing the results of diagnostic and screening tests. Sensitivity represents the proportion of truly diseased persons in a screened population who are identified as being diseased by the test. It is a measure of the probability of correctly diagnosing a condition. Specificity is the proportion of truly nondiseased persons who are so identified by the screening test. It is a measure of the probability of correctly identifying a nondiseased person. (From Last, Dictionary of Epidemiology, 2d ed)
Guide Notes:	see MeSH definition: not restricted to epidemiol; IM GEN only; coord NIM with specific disease or other concept (IM); no qualif; specify geog if pertinent; DF: SENSITIVITY
Also Called:	Sensitivity,Specificity

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