Evaluation of BBL CHROMagar O157 versus Sorbitol-MacConkey Medium for Routine Detection of Escherichia coli O157 in a Centralized Regional Clinical Microbiology Laboratory

The performance of BBL CHROMagar O157 (CHROM) versus that of sorbitol-MacConkey (SMAC) media for detection of Escherichia coli O157 was determined for a 3-month period. Results for 27/3,116 (0.9%) stool cultures were positive. CHROM had a higher sensitivity (96.30%) and negative predictive value (10...

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Veröffentlicht in:	Journal of Clinical Microbiology 2007-09, Vol.45 (9), p.3098-3100
Hauptverfasser:	Church, D.L, Emshey, D, Semeniuk, H, Lloyd, T, Pitout, J.D
Format:	Artikel
Sprache:	eng
Schlagworte:	Bacteriological Techniques - methods Bacteriology Biological and medical sciences Culture Media - chemistry Escherichia coli Escherichia coli Infections - microbiology Escherichia coli O157 - growth & development Escherichia coli O157 - isolation & purification Feces - microbiology Fundamental and applied biological sciences. Psychology Microbiology Miscellaneous Predictive Value of Tests Sensitivity and Specificity
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Zusammenfassung:	The performance of BBL CHROMagar O157 (CHROM) versus that of sorbitol-MacConkey (SMAC) media for detection of Escherichia coli O157 was determined for a 3-month period. Results for 27/3,116 (0.9%) stool cultures were positive. CHROM had a higher sensitivity (96.30%) and negative predictive value (100%) and a better diagnostic efficiency than SMAC. Labor and material costs decreased when CHROM was used.
ISSN:	0095-1137 1098-660X 1098-5530
DOI:	10.1128/JCM.00426-07