61.某檢測牙周疾病工具之敏感度為60%,特異度為40%,若已知牙周疾病盛行率為每百人25例,則該工具的陽 性預測值為何?
(A)20%
(B)25%
(C)33%
(D)50%
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統計: A(90), B(408), C(195), D(123), E(0) #1742230
統計: A(90), B(408), C(195), D(123), E(0) #1742230