Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of performance of GeneXpert C. difficile test and C. difficile culture followed by toxin PCR for samples tested during the study period
| Culture | |||
|---|---|---|---|
| + | - | ||
| Xpert | + | 233 | 62 |
| - | 50 | 1963 | |
| Sensitivity | 82 % | ||
| Specificity | 97 % | ||
| PPV | 79 % | ||
| NPV | 99 % | ||
| Agreement | 95 % | ||
| Kappa | 0.78 | ||
