阿摩線上測驗
33 承上題，該測驗的陽性可能比率（positive likelihood ratio, LR+）和陰性可能比率（negative likelihood
ratio, LR-）分別為何？
(A)LR+ = 0.88，LR- = 0.75
(B)LR+ = 0.75，LR- = 0.88
(C)LR+ = 0.14，LR- = 3.0
(D)LR+ = 3.0，LR- = 0.14
答案：登入後查看
統計： A(46), B(124), C(58), D(216), E(0) #1847028
統計： A(46), B(124), C(58), D(216), E(0) #1847028
詳解 (共 1 筆)
yuan
#3864201
|實際有|實際無
檢測有| TP | FP
檢測無| FN | TN
陰性可能比率(negative likelihood ratio, LR-): (1-sensitivity)/specificity
陽性可能比率(positive likelihood ratio, LR+): sensitivity/(1-specificity)
陽性可能比率(positive likelihood ratio, LR+): sensitivity/(1-specificity)
Sensitivity: TP/(TP+FN)
Specificity: TN/(FP+TN)
10
0
