Juulia Suominen , Suvi Korhonen , Heini Kutvonen , Hanna Jarva , Anu Pätäri-Sampo , Raisa Loginov
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Evaluation of cobas® Liat® Cdiff, STANDARD™ M10 C. difficile and Xpert® C. difficile BT assays for rapid detection of toxigenic Clostridioides difficile
We evaluated the analytical performance of three commercial molecular assays for rapid detection of Clostridioides difficile toxin B in stool samples. The results were compared with results from the BD MAX™ Cdiff assay. We analyzed forty negative and thirty-two positive stool samples with three rapid assays: Roche cobas® Liat® Cdiff, SD Biosensor STANDARD™ M10 C. difficile and Cepheid Xpert® C. difficile BT. The assays demonstrated a sensitivity of 96.9 %, 96.9 % and 100.0 % and a specificity of 100 %, 97.5 % and 97.5 %, respectively. There is limited data available on the analytical performance of the newly introduced STANDARD™ M10 C. difficile assay. In this study, all three rapid assays demonstrated similarly high analytical performance and can be used for detection of toxigenic C. difficile.
期刊介绍：
The Journal of Microbiological Methods publishes scholarly and original articles, notes and review articles. These articles must include novel and/or state-of-the-art methods, or significant improvements to existing methods. Novel and innovative applications of current methods that are validated and useful will also be published. JMM strives for scholarship, innovation and excellence. This demands scientific rigour, the best available methods and technologies, correctly replicated experiments/tests, the inclusion of proper controls, calibrations, and the correct statistical analysis. The presentation of the data must support the interpretation of the method/approach.
All aspects of microbiology are covered, except virology. These include agricultural microbiology, applied and environmental microbiology, bioassays, bioinformatics, biotechnology, biochemical microbiology, clinical microbiology, diagnostics, food monitoring and quality control microbiology, microbial genetics and genomics, geomicrobiology, microbiome methods regardless of habitat, high through-put sequencing methods and analysis, microbial pathogenesis and host responses, metabolomics, metagenomics, metaproteomics, microbial ecology and diversity, microbial physiology, microbial ultra-structure, microscopic and imaging methods, molecular microbiology, mycology, novel mathematical microbiology and modelling, parasitology, plant-microbe interactions, protein markers/profiles, proteomics, pyrosequencing, public health microbiology, radioisotopes applied to microbiology, robotics applied to microbiological methods,rumen microbiology, microbiological methods for space missions and extreme environments, sampling methods and samplers, soil and sediment microbiology, transcriptomics, veterinary microbiology, sero-diagnostics and typing/identification.
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