| Nominal Concentration | Precision (%CV) | Accuracy (%) | ||
| (μg/mL) | Intra-day | Inter-day | Intra-day | Inter-day |
| 0.3 (LLOQ) | 4.15 | 6.22 | 99.71 | 97.48 |
| 1 (low) | 3.71 | 4.83 | 105.53 | 99.07 |
| 10 (middle) | 4.75 | 5.43 | 105.65 | 99.86 |
| 50 (high) | 3.27 | 4.56 | 103.01 | 97.86 |