TABLE 2.
Agreement between cobas 5800 and 6800 at medical decision points
| Concordant results (no.) |
Discordant results (no.) |
||||||
|---|---|---|---|---|---|---|---|
| Target | Threshold (IU or copies/mL) | 5800 and 6800 lowa | 5800 and 6800 high | 5800 low, 6800 high | 5800 high, 6800 low | Total N in rangeb | % concordant |
| HBV | 2,000 | 73 | 85 | 2 | 3 | 163 | 96.9% |
| 20,000 | 89 | 59 | 0 | 1 | 149 | 99.3% | |
| HCV | 10,000 | 100 | 45 | 6 | 3 | 154 | 94.2% |
| 800,000 | 98 | 111 | 11 | 3 | 223 | 93.7% | |
| HIV-1 | 200 | 33 | 110 | 5 | 7 | 117 | 92.3% |
| 1,000 | 106 | 97 | 4 | 5 | 212 | 95.8% | |
a
“Low,” result below threshold; “high,” result above threshold.
b
Data limited to comparisons where either c5800 or c6800 results is within 10-fold of the threshold.