discriminant function

(redirected from Maddrey's discriminant function)
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discriminant function

[di¦skrim·ə·nənt ′fəŋk·shən]
(statistics)
A linear combination of a set of variables that will classify events or items for which the variables are measured with the smallest possible proportion of misclassifications.
References in periodicals archive ?
The severity of alcoholic hepatitis may be measured using Maddrey's discriminant function (DF).
Patients with severe alcoholic hepatitis (Maddrey's discriminant function, [greater than or equal to] 32; or MELD score, [greater than or equal to] 21: or GAHS, [greater than or equal to] 9) who do not have sepsis should be given a trial of prednisolone at a dose of 40 mg per day for 28 days.