Table 1 Comparison of the sensitivity and specificity of HBsAg and Anti-HBc Ab detection in DBS and sera
Positive | Negative | Confirmatory test | |||||
|---|---|---|---|---|---|---|---|
n | Sera | DBS | Sera | DBS | Sera | DBS | |
HBsAg | 15 | 9 | 10 | 6 | 5 | 9 | 9 |
Anti-HBc Ab | 15 | 10 | 10 | 5 | 5 | NA* | NA |
Anti-HBs Ab | 5 | 1 | 1 | 4 | 4 | NA | NA |
Sensitivity | HBsAg | 100% | |||||
Anti-HBc Ab | 100% | ||||||
Specificity | HBsAg | 83.3%# | |||||
Anti-HBc Ab | 100% | ||||||