Table 1.
Sera | [XN]a (ng/mL) | DHT | α-diol | β-diol | ||||||
---|---|---|---|---|---|---|---|---|---|---|
b ± SDc(ng/mL) | CVd (%) | REe (%) | ± SD (ng/mL) | CV(%) | RE (%) | ± SD (ng/mL) | CV(%) | RE (%) | ||
Lot 1 | 0.0500 | 0.051 ± 0.002 | 4 | 2 | 0.051 ± 0.001 | 2 | 2 | 0.051 ± 0.002 | 4 | 2 |
Lot 2 | 0.0500 | 0.051 ± 0.001 | 2 | 2 | 0.050 ± 0.002 | 4 | 0 | 0.051 ± 0.002 | 4 | 2 |
Lot 3 | 0.0500 | 0.049 ± 0.002 | 4 | −2 | 0.050 ± 0.002 | 4 | 0 | 0.051 ± 0.002 | 4 | 2 |
Lot 4 | 0.0500 | 0.051 ± 0.002 | 4 | 2 | 0.052 ± 0.002 | 4 | 4 | 0.049 ± 0.001 | 2 | −2 |
Lot 5 | 0.0500 | 0.052 ± 0.002 | 4 | 4 | 0.051 ± 0.002 | 4 | 2 | 0.049 ± 0.002 | 4 | −2 |
Lot 6 | 0.0500 | 0.052 ± 0.002 | 4 | 4 | 0.049 ± 0.002 | 4 | −2 | 0.053 ± 0.003 | 6 | 6 |
Mean of 6 lots | 0.0500 | 0.051 ± 0.001 | 1 | 2 | 0.051 ± 0.001 | 2 | 1 | 0.051 ± 0.001 | 2 | 1 |
[XN] = nominal concentration of analyte sera calibrator.
= mean value of measured analyte concentration.
SD = standard deviation of replicate measurements.
CV = SD/ × 100%.
RE = ( − [XN])/[XN] × 100%.