TABLE 2.

Comparison of the BD GeneOhm Cdiff assay to the Vidas C. difficile toxin A and B assay for detection of toxigenic C. difficile from diarrheal stool after initial testing and after resolution with toxigenic culture and upon repeat PCR testing from frozen lysates

PCR result typeNo. of results of toxin A and B assay
Initial resultsAfter resolution with toxigenic culture
PositiveEquivocalNegativePositiveNegativeTotal
Positive20929292958
Negative8305008534542
Total37563600