extremal quotient

extremal quotient

the ratio of the rate in the jurisdiction with the highest rate of interventions (for example, surgical procedures) to the rate in the jurisdiction with the lowest rate.

ex·tre·mal quo·tient

(eks-trē'măl kwō'shĕnt)
The ratio of the rate in the jurisdiction with the highest rate of interventions, such as surgical procedures, to the rate in the jurisdiction with the lowest rate.
References in periodicals archive ?
Suggested statistical tests include those based on logistic regression, coefficients of variation, extremal quotients, and chi-square tests (Kazandjian, Durance, and Schork 1989; Diehr et al.
Analysis of variations in mortality rates with small numbers
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