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

0.00

6.25

6.67

3.33 to 7.14

−6.67 to 6.67

10.34

−3.33

QC_M 5.50 ng/mL

0.54

6.30

−4.73

2.50 to 6.30

−4.73 to 10.00

6.51

3.27

QC_H 8.80 ng/mL

1.85

2.06

−0.68

2.06 to 2.92

−0.68 to 10.11

7.23

3.75