Table 1 Sensitivity, specificity, negative and positive predictive values and kappa index for anti-HCV, HBsAg and anti-HBs detection in DBS samples using ECLIA
From: Usefulness of automated assays for detecting hepatitis B and C markers in dried blood spot samples
Anti-HCV | Anti-HBc | HBsAg | ||||
|---|---|---|---|---|---|---|
Value (%) | IC (%) | Value (%) | IC (%) | Value (%) | IC (%) | |
Sensitivity | 95.37 | 89.53–98.48 | 86.49 | 80.70–91.06 | 94.37 | 86.20–98.44 |
Specificity | 99.45 | 98.04–99.93 | 97.76 | 95.63–99.03 | 98.99 | 97.09–99.79 |
Positive predictive value | 98.10 | 92.82–99.52 | 95.24 | 90.96–97.55 | 95.71 | 87.85–98.57 |
Negative predictive value | 98.64 | 96.87–99.42 | 93.32 | 90.65–95.26 | 98.66 | 96.61–99.48 |
Kappa index | 0.957 | 0.926–0.988 | 0.861 | 0.815- 0.907 | 0.938 | 0.893–0.983 |