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. Author manuscript; available in PMC: 2012 May 9.
Published in final edited form as: Rapid Commun Mass Spectrom. 2011 Jan 15;25(1):115–121. doi: 10.1002/rcm.4824

Table 3.

Inter-day variation (n = 3) for analysis of urinary NNAL (n = 5) in pg/mL and nM

QC
(n = 5)
Theoretical
(pg/mL)
Calculated mean
(pg/mL)
Theoretical
(nM)
Calculated mean
(nM)
Precision
(%)
Accuracy
(%)
LLOQ 20 20.6 0.10 0.10 10.8 103.0
LQC 40 38.1 0.19 0.18 11.3 95.3
MQC 200 197.3 0.96 0.94 6.1 98.7
HQC 800 797.7 3.83 3.81 3.9 99.7