Nominal concentrations of QC (ng/mL)

Instrument

Method

Intra-day (ranges of 3 days)

Inter-day

Precision (CV%)

Precision (CV%)

Accuracy (RE%)

Precision (CV%)

Accuracy (RE%)

Precision (CV%)

Accuracy (RE%)

QC_L 0.30 ng/mL

2.78

3.70

−10.00

3.70 to 10.71

−10.00 to −6.67

7.41

−10.00

QC_M 5.50 ng/mL

0.87

4.24

−10.00

2.05 to 4.24

−10.00 to 8.36

5.69

2.18

QC_H 8.80 ng/mL

1.33

1.92

−5.11

1.59 to 2.47

−5.11 to 10.34

9.07

2.73