血培养中凝固酶阴性葡萄球菌来源的一项评估
An estimate for the source of coagulase-negative staphylococci in blood cultures.
作者信息
Haverkorn M J, Staal M J
机构信息
Laboratory for Medical Microbiology, Eindhoven, The Netherlands.
出版信息
Epidemiol Infect. 1987 Oct;99(2):333-41. doi: 10.1017/s0950268800067807.
An estimate for the source of coagulase-negative staphylococci in blood cultures is presented and its use illustrated in two populations. The method estimates the probability that a positive blood culture is positive due to contamination and the probability of it being positive due to bacteraemia. The effect of changes in efficiency of the blood culture technique on these estimates is demonstrated. One of the illustrative populations consists of 537 sample pairs from 273 patients, taken after open-heart surgery in 1978-80. The other consists of 500 consecutive sample pairs taken in one of two hospitals in 1983-4.
本文给出了血培养中凝固酶阴性葡萄球菌来源的估计值，并在两个群体中说明了其应用。该方法估计血培养阳性是由于污染导致的概率以及由于菌血症导致阳性的概率。证明了血培养技术效率变化对这些估计值的影响。其中一个示例群体由1978 - 1980年心脏直视手术后从273名患者身上采集的537对样本组成。另一个群体由1983 - 1984年在两家医院之一采集的500对连续样本组成。
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