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單項選擇題

若TP為真陽性，F(xiàn)N為假陰性，TN為真陰性，F(xiàn)P為假陽性，診斷特異性計算公式是()

A．TN/(TN+FN)×100%
B．TP/(TP+FN)×100%
C．(TP+FN)/(TP+FP+TN+FN)×100%
D．TN/(TN+FP)×100%
E．TP/(TP+FP)×100%

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單項選擇題

若TP為真陽性，F(xiàn)N為假陰性，TN為真陰性，F(xiàn)P為假陽性，陽性預(yù)測值計算公式是()

A．TN/(TN+FN)×100%
B．TP/(TP+FN)×100%
C．TN/(TN+FP)×100%
D．TP/(TP+FP)×100%
E．(TP+FN)/(TP+FP+TN+FN)×100%

單項選擇題

若TP為真陽性，F(xiàn)N為假陰性，TN為真陰性，F(xiàn)P為假陽性，陰性預(yù)測值計算公式是()

A．TP/(TP+FN)×100%
B．TN/(TN+FP)×100%
C．(TP+FN)/(TP+FP+TN+FN)×100%
D．TP/(TP+FP)×100%
E．TN/(TN+FN)×100%

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