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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2014 May 2;960:194–199. doi: 10.1016/j.jchromb.2014.04.045

Table 2.

Intra- and inter-day precision and accuracy.

FDB CFB
FDB Intra-day Inter-day Intra-day Inter-day
Nominal,
ng/mL		 2.00 6.00 60.0 700 2.00 6.00 60.0 700 0.500 0.600 6.00 70 0.500 0.600 6.00 70.0
mean, ng/mL 1.80 6.12 65.1 713 1.95 6.29 64.5 723 0.491 0.558 6.45 74.6 0.457 0.589 6.48 75
SD 0.08 0.26 3.1 17 0.13 0.23 0.8 9.3 0.029 0.039 0.34 2.6 0.033 0.031 0.08 1.0
RSD,% 4.66 4.17 4.76 2.45 6.84 3.71 1.23 1.3 5.88 6.98 5.27 3.43 7.23 5.21 1.25 1.3
%dev −10.0 1.94 8.42 1.90 −2.3 4.8 7.4 3.3 −1.87 −7.00 7.50 6.55 −8.7 −1.9 8.0 7.8
n 6 6 6 6 3 3 3 3 6 6 6 6 3 3 3 3