單項(xiàng)選擇題

醫(yī)院感染率的計(jì)算公式,用下列哪項(xiàng)×100%是錯(cuò)誤的()

A.當(dāng)月新發(fā)病例數(shù)/當(dāng)月住院人數(shù)
B.某科月新發(fā)病例數(shù)/該科月出院人數(shù)
C.當(dāng)月新發(fā)病例數(shù)/當(dāng)月出院人數(shù)
D.某病月新發(fā)病例數(shù)/該病月出院人數(shù)
E.當(dāng)月實(shí)際病例數(shù)/當(dāng)月住院人數(shù)

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