Table 2 Intra- and inter-day precision and accuracy of quality control sample
Parameter | Human plasma | RLMs | ||||
|---|---|---|---|---|---|---|
LQC (15 ng) | MQC (150 ng) | HQC (400 ng) | LQC (15 ng) | MQC (150 ng) | HQC (400 ng) | |
Intra-day | ||||||
Mean | 14.75 | 147.11 | 392.75 | 15.01 | 149.65 | 399.54 |
SD | 0.47 | 2.34 | 6.22 | 0.43 | 1.91 | 5.16 |
RSD (%) | 3.18 | 1.59 | 1.58 | 2.90 | 1.28 | 1.29 |
RE (%) | − 1.64 | − 1.93 | − 1.81 | 0.05 | − 0.23 | − 0.12 |
Inter-day | ||||||
Mean | 14.74 | 146.99 | 392.28 | 14.98 | 149.40 | 398.72 |
SD | 0.44 | 2.82 | 7.36 | 0.37 | 2.20 | 5.90 |
RSD (%) | 3.01 | 1.92 | 1.88 | 2.49 | 1.47 | 1.48 |
RE (%) | − 1.74 | − 2.01 | − 1.93 | 99.86 | 99.60 | 99.68 |
Accuracy | 98.26 | 97.99 | 98.07 | − 0.14 | − 0.40 | − 0.32 |