粪便标本中的分枝杆菌：涂片对预测培养结果的无价值性。
Mycobacteria in stool specimens: the nonvalue of smears for predicting culture results.
作者信息
Morris A, Reller L B, Salfinger M, Jackson K, Sievers A, Dwyer B
机构信息
Clinical Microbiology Laboratory, Duke University Medical Center, Durham, North Carolina.
出版信息
J Clin Microbiol. 1993 May;31(5):1385-7. doi: 10.1128/jcm.31.5.1385-1387.1993.
Abstract
A previous recommendation suggests that stool be cultured for mycobacteria only if the smear is positive. We have correlated smear and culture results of 2,176 stool specimens submitted for mycobacterial culture. The sensitivity, specificity, and positive and negative predictive values for smears to predict culture results are 34, 99, 90, and 87%, respectively. We recommend that the stool smear not be used as a screening technique to decide which specimens from at-risk patients should be cultured because it lacks the necessary sensitivity.
摘要
先前的一项建议表明，仅当涂片呈阳性时才对粪便进行分枝杆菌培养。我们对提交进行分枝杆菌培养的2176份粪便标本的涂片和培养结果进行了相关性分析。涂片预测培养结果的敏感性、特异性、阳性预测值和阴性预测值分别为34%、99%、90%和87%。我们建议，粪便涂片不应作为一种筛查技术来决定哪些高危患者的标本应进行培养，因为它缺乏必要的敏感性。
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