Table 1.
Assay imprecision.
| Method | Patient Pools | Mean Concentration (mg/dL) | Total Imprecision (SD) | Total Imprecision (%CV) | Within Run (%CV) | Between Run (%CV) | Between Day (%CV) |
|---|---|---|---|---|---|---|---|
| Diazyme | Low | 12.4 | 0.31 | 2.5 | 2.1 | 1.2 | 0.8 |
| High | 50.2 | 0.98 | 2.0 | 1.4 | 0.0 | 1.4 | |
| Kamiya | Low | 8.2 | 0.43 | 5.2 | 4.7 | 0.0 | 2.3 |
| High | 28.6 | 0.86 | 3.0 | 2.9 | 0.0 | 0.8 | |
| MedTest | Low | 12.3 | 0.48 | 3.9 | 2.8 | 2.8 | 0.0 |
| High | 47.5 | 0.55 | 1.1 | 0.8 | 0.9 | 0.0 | |
| Randox | Low | 9.5 | 0.32 | 3.3 | 3.2 | 0.7 | 0.0 |
| High | 35.7 | 0.29 | 0.8 | 0.5 | 0.5 | 0.4 | |
| Roche | Low | 7.3 | 0.31 | 4.3 | 4.0 | 0.0 | 1.6 |
| High | 31.5 | 0.36 | 1.1 | 0.8 | 0.8 | 0.0 |