49 依照上題之資料,請問此篩檢測試工具之陽性概率比(likelihood ratio for a positive test result)與陰性概率比(likelihood ratio for a negative test result)各是多少?
(A) 6.2,0.23
(B) 8.0,0.87
(C) 0.4,0.98
(D) 8.6,1.4

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統計: A(1), B(0), C(0), D(0), E(0) #4001911