TABLE 2.
Comparison of BD GeneOhm MRSA PCR to culture for detection of MRSA in nasal swabs initially extracted in salinea
| PCR result | No. of specimens with culture result
|
Total no. of specimens | |
|---|---|---|---|
| Positive | Negative | ||
| Positive | 24 | 4 | 28 |
| Negative | 5 | 337 | 342 |
| Total | 29 | 341 | 370 |
a
The following determinations for PCR used MRSASelect and Spectra MRSA as the reference assays, as they demonstrated maximum detection: sensitivity, 24/29 (83%); specificity, 337/341 (99%); positive predictive value, 24/28 (86%); and negative predictive value, 337/342 (99%).