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

9.09

3.03

10.00

3.03 to 3.70

−10.00 to 10.00

6.90

−3.33

QC_M 5.50 ng/mL

0.88

4.55

−0.18

3.51 to 6.53

−0.18 to 8.55

6.82

1.27

QC_H 8.80 ng/mL

2.03

2.40

4.20

1.88 to 4.30

4.20 to 9.09

8.86

3.86