8.當族群內某疾病之盛行率上升時,則predictive value of a positive test(PVPT)和predictive value of a negative
test(PVNT)將呈現何種變化?
(A)PVPT上升
(B)PVPT下降
(C)PVNT上升
(D)PVPT及PVNT皆不受影響
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統計: A(1732), B(36), C(63), D(180), E(0) #2743618
統計: A(1732), B(36), C(63), D(180), E(0) #2743618