Population
Subset of patients in the Age-Related Eye Disease Study (AREDS) with annual blood draws
Design
Other, Participants were randomly chosen to receive antioxidant or placebo…
Authors
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May enhance analytical QC for nutritional biomarkers in trials; leaves open prospective validation before wider adoption.
The paper describes a multi-rule quality control system used to monitor analytical errors in serum nutritional indicator measurements during the AREDS trial.
Caudill et al. (2008) studied this question.
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