Table 2.
Comparison between Con A-immobilized on polyacrylate beads and Viral RNA Extraction Kit methods with respect to their sensitivity, specificity, and predictive values
| Parameters | Human norovirus | Hepatitis A virus | ||
|---|---|---|---|---|
| Con A-PAB methoda (%) | VRNA methodb (%) | Con A-PAB (%) | VRNA (%) | |
| Sensitivity | 100.0 | 42.9 | 100.0 | 100.0 |
| Specificity | 100.0 | 100.0 | 100.0 | 100.0 |
| Accuracy | 100.0 | 73.3 | 100.0 | 100.0 |
| PPVc | 100.0 | 100.0 | 100.0 | 100.0 |
| NPVd | 100.0 | 66.7 | 100.0 | 100.0 |
aCon A-PAB, Concanavalin A immobilized on polyacrylate beads
bVRNA, QIAamp Viral RNA Extraction Mini kit
cPPV, Positive predictive value
dNPV, Negative predictive value