Table 4.
Analytical sensitivity against the HBsAg seroconversion panel
| Samples | HBV DNA Roche PCR, copies/mL | Lumipulse HBsAg‐HQ | Architect HBsAg QT | HISCL HBsAg | Lumipulse HBsAg | ADVIA Centaur HBsAg II | |
|---|---|---|---|---|---|---|---|
| No. | Days since 1st Bleeda | ||||||
| 1 | 0 | BLD | − | − | − | − | − |
| 2 | 2 | BLD | − | − | − | − | − |
| 3 | 7 | BLD | − | − | − | − | − |
| 4 | 9 | 6 × 102 | − | − | − | − | − |
| 5 | 14 | 8 × 102 | + | − | − | − | − |
| 6 | 16 | 5 × 102 | + | − | − | − | − |
| 7 | 21 | 9 × 103 | + | + | + | − | + |
| 8 | 23 | 8 × 103 | + | + | + | + | + |
| 9 | 28 | 8 × 104 | + | + | + | + | + |
| 10 | 30 | 1 × 105 | + | + | + | + | + |
| 11 | 35 | 4 × 105 | + | + | + | + | + |
| 12 | 50 | 2 × 107 | + | + | + | + | + |
a
Serial blood specimens were obtained from an individual donor during the seroconversion stage to HBV positivity. The sample judged as positive was described as +, and the specimen judged as negative was done as –.