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Comparison of eight commercial enzyme immunoassays for the detection of Clostridium difficile from stool samples and effect of strain type.

Abstract：

:We compared the performance of 8 Clostridium difficile enzyme immunoassays to cell cytotoxicity neutralization assay and toxigenic culture. The effect of strain type on assay performance was also examined. There were a total of 71 (14.4%) samples in which C. difficile was recovered; 58 (81.7%) of 71 were toxigenic. Compared to a composite reference standard of either C. difficile cytotoxin assay positive or toxigenic C. difficile culture positive, the sensitivities of these assays varied from 31.7% to 55.2%, while the specificities were excellent, ranging from 98.1% to 100%. Among the 57 C. difficile isolates, 30 (51.7%) were of the NAP1 genotype. Stool samples positive for the C. difficile NAP1 strain had a higher positivity rate for the toxin assays.

journal_name

Diagn Microbiol Infect Dis

journal_title

Diagnostic microbiology and infectious disease

authors

René P,Frenette CP,Schiller I,Dendukuri N,Brassard P,Fenn S,Loo VG

doi

10.1016/j.diagmicrobio.2012.01.005

subject

Has Abstract

pub_date

2012-05-01 00:00:00

pages

94-6

issue

1

eissn

0732-8893

issn

1879-0070

pii

S0732-8893(12)00025-9

journal_volume

73

pub_type

杂志文章

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