TABLE 3.
Characterization of core Ag external controls over 11 runsa
Control | Acceptable core Ag concn (pg/ml) | Core Ag concn (pg/ml)
|
CV (%) | |
---|---|---|---|---|
Mean | SD | |||
Negative | ≤1.1 | 0 | 0 | 0 |
Low positive | 3.0-12.7 | 4.7 | 0.67 | 14.3 |
High positive | 20.5-44.5 | 26.7 | 1.74 | 6.5 |
All three controls were valid per quality control criteria for 11 runs.