80.承上題,此一評估方法的特異性(specificity)為多少?
(A)0.972
(B)0.909
(C)0.900
(D)0.897
答案:登入後查看
統計: A(323), B(205), C(122), D(407), E(0) #1154226
統計: A(323), B(205), C(122), D(407), E(0) #1154226
詳解 (共 3 筆)
#4431699
特異性: 實際正常且篩檢結果也正常 / 真陰性+假陽性 =70/78=0.897
9
0
#4490852
幫大家普及一下公式
Specificity=True Negative/(True Negative+ False Positive)Sensitivity= True Positive/(True Positive+ False Negative)
Positive Predictive Value= True positive /(True positive + False Positive) x 100
Negative Predictive Value= True negative/ ( True negative+ False Negative) x 100
6
0