The quality of laboratory testing today: An assessment of sigma metrics for analytical quality using performance data from proficiency testing surveys and the CLIA criteria for acceptable performance
Westgard JO, Westgard SA. The quality of laboratory testing today: an assessment of sigma metrics for analytical quality using performance data from proficiency testing surveys and the CLIA criteria for acceptable performance. Am J Clin Pathol 2006;125:343-54.
Westgard JO, Westgard SA. Basic quality management systems: essentials for quality management in the medical laboratory. Madison WI: Westgard QC, Inc., 2014:234-5.
Metrological traceablity of calibration in the estimation and use of common medical decision-making criteria
Thienpont LM, Van Utfanghe K, Cabaleiro DR. Metrological traceablity of calibration in the estimation and use of common medical decision-making criteria. Clin Chem Lab Med 2004;42:842-50.
Treatment of uncorrected measurement bias in uncertainty estimation for chemical measurements
Magnusson B, Ellison SL. Treatment of uncorrected measurement bias in uncertainty estimation for chemical measurements. Anal Bioanal Chem 2008;390:201-13.
Utilization of assay performance characteristics to estimate Hemoglobin A1c result reliability
Woolworth A, Korpi-Steiner N, Miller JJ, Rao LV, Yundt-Pacheco J, Kuchipudi L, et al. Utilization of assay performance characteristics to estimate Hemoglobin A1c result reliability. Clin Chem 2014;60:1073-9.
Three of 7 hemoglobin A1c point-of-care instruments do not meet generally accepted analytical performance criteria
Lenters-Westra E, Slingerland RJ. Three of 7 hemoglobin A1c point-of-care instruments do not meet generally accepted analytical performance criteria. Clin Chem 2014;60:1062-72.
Can current analytical quality performance of UK clinical laboratories support evidence-based guidelines for diabetes and ischaemic heart disease? - A pilot study and a proposal
Jassam N, Yundt-Pacheco J, Jansen R, Thomas A, Barth JH. Can current analytical quality performance of UK clinical laboratories support evidence-based guidelines for diabetes and ischaemic heart disease? - A pilot study and a proposal. Clin Chem Lab Med 2013;51:1579-84.