PARAMETER | VAL | HCTZ | VAL-1 | VAL-2 | HCTZ-1 | HCTZ-2 | HCTZ-3 |
LOD (μg/mL) | 0.100 | 0.006 | 0.028 | 0.108 | 0.006 | 0.026 | 0.015 |
LOQ (μg/mL) | 0.303 | 0.019 | 0.085 | 0.327 | 0.017 | 0.080 | 0.047 |
Correlation coefficient | 0.9999 | 0.9998 | 0.9999 | 0.9999 | 1.0000 | 0.9999 | 1.0000 |
Bias at 100 % response | 1.0368 | −0.7663 | 0.6896 | 0.5841 | −0.6679 | 0.6185 | 0.1819 |
Precision (%RSD) | 1.3 | 1.3 | 1.6 | 1.2 | 1.3 | 0.8 | 0.9 |
Intermediate precision (%RSD) | 1.2 | 1.4 | 1.3 | 1.9 | 1.5 | 1.6 | 0.8 |
Precision at LOQ (%RSD) | 1.3 | 1.0 | 2.3 | 1.5 | 1.2 | 2.2 | 1.8 |