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.
Real-time PCR for detection of H. pylori infection (ureA and 23S rRNA gene assays) and clarithromycin susceptibility testing (23S rRNA gene assay): specificities, sensitivities, PPVs, and NPVs for biopsy and stool samples
| Parameter | Detection of H. pylori infection
|
Clarithromycin susceptibility testing
|
||
|---|---|---|---|---|
| Biopsy | Stool | Biopsy | Stool | |
| Specificity (%) | 98 | 98 | 100 | 100 |
| Sensitivity (%) | 100 | 98 | 82 | 73 |
| PPV (%) | 98 | 98 | 100 | 100 |
| NPV (%) | 100 | 98 | 94 | 92 |
