Exact(4)
In our laboratory, coefficients of variation (CV) for PCT were found to be <10 % at 0.28 and 10.8 µg/L.
Short-term in vivo precision using this device was similar in children to that observed in adults in our laboratory; coefficients of variation for between-day measurements were 1.8, 0.6, and 3.2% for BUA, SOS, and SI, respectively.
Within-batch laboratory coefficients of variation were 13.6% or less.
Laboratory coefficients of variation were less than 5% for all individual estrogens and estrogen metabolites measured and less than 3% for estrone, estradiol, and estriol.
Similar(56)
The change in load capacity between the control specimens and other groups are found within the acceptable single laboratory coefficient of variation precision 1 s % of 14.4%.
The method's interassay laboratory coefficient of variation is ∼4.7%.
Using the standards developed in the National Glycohemoglobin Standardization Program, this method of percentage of HbA1c assessment was calibrated to the reference range of 4.3 6.0% (23 42 mmol/mol) and a laboratory coefficient of variation range 1.4 1.9% (21).
In our laboratories, coefficients of variation for procalcitonin were <4 % at 2 concentrations during the study period.
In a recent evaluation, inter-laboratory coefficients of variation were higher for Q-PCR than for other methods (Martin-Ruiz et al. 2014).
The data from QC trial no. 1 clearly indicated that acceptable between-laboratory coefficients of variation (CVs) for uPA (<8.2%) and PAI-1 (<16.6%) in QC-240893 could be achieved when the same type of ELISA kit (American Diagnostica) was used.
Intra-laboratory coefficient of variance (CV) for the one-stage assay was typically below 10% (Table 1).
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