Table I.
Nominal concentration (ng/ml) | Calculated concentration, mean ± SD (ng/ml) | Inter-day RSD (%) | Intra-day RSD (%) | RE (%) |
---|---|---|---|---|
2 | 2.065±0.161 | 5.23 | 7.78 | 3.27 |
5 | 5.235±0.19 | 4.68 | 7.54 | 1.98 |
50 | 53.28±2.05 | 4.3 | 13.51 | 3.48 |
1200 | 1274±26.55 | 4.99 | 6.84 | 3.54 |
LLOQ, lower limit of quantitation; RSD, relative standard deviation (precision); RE, relative error (accuracy).