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 type | No. of results of toxin A and B assay |
|||||
|---|---|---|---|---|---|---|
| Initial results |
After resolution with toxigenic culture |
|||||
| Positive | Equivocal | Negative | Positive | Negative | Total | |
| Positive | 20 | 9 | 29 | 29 | 29 | 58 |
| Negative | 8 | 30 | 500 | 8 | 534 | 542 |
| Total | 37 | 563 | 600 | |||