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 30 ng/mL

2.94

2.70

−1.40

2.8 to 8.56

−2.25 to 1.37

6.42

−0.30

QC_M 600 ng/mL

1.09

4.10

1.27

2.09 to 2.84

−1.86 to 9.31

6.22

−1.56

QC_H 960 ng/mL

1.58

3.10

3.04

0.94 to 4.67

−1.4 to 12.43

3.46

2.72