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Evaluation of VITEK 2, MicroScan, and Phoenix for identification of clinical isolates and reference strains.

Abstract：

:To compare the identification accuracies of VITEK 2 (bioMérieux), MicroScan (Siemens Healthcare), and Phoenix (Becton Dickinson), microbial identification was performed on 160 clinical isolates and 50 reference strains on each of these 3 systems, using the appropriate identification kit provided by each system. Of the 142 clinical isolates that were identified at the species level, VITEK 2, MicroScan, and Phoenix correctly identified 93.7%, 82.4%, and 93.0%, and incorrectly identified 2.1%, 7.0%, and 0%, respectively. In the reference strain tests, VITEK 2, MicroScan, and Phoenix correctly identified 55.3%, 54.4%, and 78.0% of the reference strains at the species level and incorrectly identified 10.6%, 13.0%, and 6.0% of the reference strains, respectively. In conclusion, the identification rate of VITEK 2, Phoenix, and MicroScan was high or acceptable on clinical isolates. Phoenix showed a significantly higher performance than VITEK 2 or MicroScan in identifying the reference strains.

journal_name

Diagn Microbiol Infect Dis

journal_title

Diagnostic microbiology and infectious disease

authors

Jin WY,Jang SJ,Lee MJ,Park G,Kim MJ,Kook JK,Kim DM,Moon DS,Park YJ

doi

10.1016/j.diagmicrobio.2011.04.013

subject

Has Abstract

pub_date

2011-08-01 00:00:00

pages

442-7

issue

4

eissn

0732-8893

issn

1879-0070

pii

S0732-8893(11)00171-4

journal_volume

70

pub_type

杂志文章

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