Table 5 Laboratory method imprecision (CV A ) and desirable specifications for imprecision (I), bias (B) and total error (TE) derived from biological variation
| Â | Desirable specifications | Method imprecision | ||
|---|---|---|---|---|
Analytes | I (%) | B (%) | TE (%) | CV A (%) |
CAT | 4.5 | 6.3 | 13.7 | 3.1 |
CuZnSOD | 2.8 | 7.9 | 12.5 | 3.2 |
MDA | 10.5 | 6.0 | 23.3 | 3.3 |