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Inter-day average back-calculated standard concentrations (n = 3)
| Nominal, ng/mL | 0.50 | 1.00 | 2.5 | 5.0 | 10.0 | 25 | 50 | Slope | Intercept | R |
|---|---|---|---|---|---|---|---|---|---|---|
| Mean, ng/mL | 0.540 | 1.01 | 2.34 | 4.84 | 10.1 | 21.9 | 53.3 | 0.0397 | −0.0007 | 0.996 |
| SD | 0.027 | 0.01 | 0.04 | 0.25 | 0.4 | 0.5 | 0.1 | 0.0025 | 0.0028 | 0.0008 |
| Precision (RSD,%) | 5.02 | 1.09 | 1.54 | 5.25 | 3.96 | 2.37 | 0.19 | 0.08 | ||
| Accuracy (% dev) | 7.9 | 0.93 | −6.40 | −3.13 | 0.63 | −12.40 | 6.60 |
