約登J統計,也稱約登指數,是一個單一統計參數,用以評價診斷結果性能。

定義

J = 靈敏度 +特異度 − 1

該指數於1950年由 W.J. Youden 提出 [1] ,是總結診斷結果性能的一個參數。 


參考資料

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