Youden's J statistic

Youden's J statistic

Youden's J statistic (also called Youden's index) is a single statistic that captures the performance of a diagnostic test. The use of such a single index is "not generally to be recommended". [Everitt B.S. (2002) The Cambridge Dictionary of Statistics. CUP ISBN 0-521-81099-x]

Definition

: "Y" = Sensitivity + Specificity − 1

See also

* sensitivity (tests)
* specificity (tests)

References

* Youden W. J., "Index for rating diagnostic tests.", "Cancer" 1950; 3: 32-35


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