TABLE 2.
Sensitivities, specificities, and predictive values for LightCycler PCR assay compared to Enterococcosel screening plates for detection of VRE from perianal swabsa
| Vancomycin concn (μg/ml) | Sensitivity | Specificity | Positive predictive value | Negative predictive value |
|---|---|---|---|---|
| 6b | 11/11 (100) (59-100) | 396/410 (97) (94-98) | 10/24 (42) (22-63) | 396/397 (100) (99-100) |
| 8c | 10/10 (100) (69-100) | 442/463 (95) (93-97) | 10/31 (32) (17-51) | 442/442 (100) (99-100) |
a
First set of values in parentheses are percentages. Second set of values in parentheses are 95% confidence intervals.
b
The prevalence rate of positive cultures was 2.6%.
c
The prevalence rate of positive cultures was 2.0%.