Yield
Yield (medicine)
Yield (/jiːld/), in the context of medicine, refers to the amount or quantity of a particular outcome or result that is produced from a specific procedure, test, or intervention. The term is often used in relation to diagnostic tests or procedures, where it refers to the proportion of positive results.
Etymology
The term 'yield' originates from the Old English 'gieldan', which means 'to pay, give'. In the medical context, it has been used since the late 19th century to refer to the 'return' or 'result' from a particular procedure or intervention.
Related Terms
- Sensitivity (medicine): This refers to the ability of a test to correctly identify those with the disease.
- Specificity (medicine): This refers to the ability of a test to correctly identify those without the disease.
- Positive predictive value: This is the probability that subjects with a positive screening test truly have the disease.
- Negative predictive value: This is the probability that subjects with a negative screening test truly don't have the disease.
- Prevalence: This is the proportion of a population who have a specific characteristic in a given time period.
- Incidence (epidemiology): This refers to the occurrence, rate, or frequency of a disease or condition in a particular group or population.
External links
- Medical encyclopedia article on Yield
- Wikipedia's article - Yield
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