TABLE 5.

Inter- and intra-assay variation in the Pgp3 ELISA

SampleInterassay variationIntra-assay variation
Mean absorbance at 450 nmSDCoefficient of variation (%)Mean absorbance at 450 nmSDCoefficient of variation (%)
12.6470.08073.12.5230.06452.6
21.4140.05553.91.4930.02801.9
30.4550.03036.70.4470.01252.8
40.0970.012813.20.1120.00514.6
50.0810.00759.30.0770.00455.8