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. 2015 May 23;5(4):269–275. doi: 10.1016/j.jpha.2015.05.004

Table 1.

Precision and accuracy for the analytes in human plasma (n=20, 5 replicates per day for 3 days).

Analyte Nominal concentration (ng/mL) Intra-day
Inter-day


Measured concentration (ng/mL) Precision (%RSD) Accuracy (%RE) Measured concentration (ng/mL) Precision (%RSD) Accuracy (%RE)
FA 0.249 0.266 ±0.019 7.6 6.9 0.266±0.019 3.8 7.0
0.595 0.639±0.025 5.0 7.3 0.627±0.033 6.6 5.3
2.98 2.95±0.17 6.8 −0.9 3.01±0.19 4.5 1.0
15.9 16.0±0.7 4.7 0.5 16.2±0.8 8.8 1.8
5-M-THF 5.05 4.64±0.56 9.4 −8.1 4.95±0.56 8.8 −1.9
12.1 13.1±0.2 3.1 8.1 13.2±0.43 4.0 8.9
21.2 22.8±0.7 3.6 7.4 22.7±0.8 3.1 6.9
42.4 46.2±0.9 2.9 8.9 45.5±1.9 8.4 7.2

RSD: relative standard deviation.

RE: relative error.