Table 2 Result of HBsAg, total anti-HBc, HBeAg, HBV DNA detection in engineered Dried Blood Spots (DBS) and corresponding plasma samples
| Â | Plasma | Engineered DBS | Sensitivity (%) | Specificity (%) | Percent Agreement (%) | |||
|---|---|---|---|---|---|---|---|---|
Positive | Negative | Positive | Negative | |||||
HBsAg | 25 | 29 | 24 | 29 | 96.0 | 100 | 98.1 | |
anti-HBc | 9 | 45 | 9 | 45 | 100 | 100 | 100 | |
HBeAg | 7 | 13 | 20 | 0 | 100 | 0 | 35.0 | |
HBV DNA | 25 | 29 | 22 | 29 | 88.0 | 100 | 94.4 | |