Table 2

Toxigenic Clostridium difficile screening results for 310 fecal specimens using the GenomEra C. difficile PCR assay and toxigenic culture

GenomEra C. difficile assay resultNo. with toxigenic culture result of:
NegativePositive
Negative2291b
Positive3a77
  • a Two of the three specimens with positive GenomEra C. difficile assay results but negative toxigenic culture results were confirmed as positive with the GeneXpert C. difficile PCR assay (Cepheid).

  • b One specimen was culture positive but gave an inconclusive borderline result with the GenomEra assay and a negative result after retesting. This specimen was not tested with the GeneXpert assay.