敏感性(sensitivity)與特異性(specificity)

January 21, 2008 at 12:55 pm | Posted in Uncategorized | Leave a comment
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敏感性(sensitivity)與特異性(specificity) Source

敏感性(sensitivity)與特異性(specificity)乃臨床診斷正確性之評價指標﹐亦可以引用到製造業對策之評價﹐以下表說明之:

  疾病狀態
検査結果 陽性 a b
陰性 c d

sensitivity(敏感性):疾病發現之能力﹐計算式:a/(a+c)  最佳狀況為100%
specificity(特異性):無病發現之能力﹐計算是:d/(b+d) 最佳狀況為100%

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