171Role of Toxin A/B and GDH Negativity Differentiating Colonization Versus Active Infection in Presence of Positive PCR Resultsdoi:10.14309/01.ajg.0000590216.11865.fcCurras-Martin, DianaCopca-Alvarez, AlbinoCarson, Michael P.Rojtman, AlbertLiu, Edward...
difficile assay as the third step to identify the presence of the toxigenic C. difficile B (tcdB) gene and thus determine toxigenic capability. Stool samples with a GDH-positive, toxin-negative result were tested using the Portrait analyser to detect the presence of tcdB. A retrospective ...