1. 1. Biswas S, Bindra M, Jain V, Gokhale P. Evaluation of imprecision, bias and total error of clinical chemistry analysers. Ind J Clin Biochem 2015;30:104-8. [ DOI:10.1007/s12291-014-0448-y] 2. Lumsden J. Laboratory test method validation. Rev Med Veterinaire 2000;151:623-30. 3. Theodorsson E, Magnusson B, Leito I. Bias in clinical chemistry. Bioanalysis 2014;6:2855-75. [ DOI:10.4155/bio.14.249] 4. McGuinness C, Seccombe DW, Frohlich JJ, Ehnholm C, Sundvall J, Steiner G, et al. Laboratory standardization of a large international clinical trial: the DAIS experience. Clin Biochem 2000;33:15-24. [ DOI:10.1016/S0009-9120(99)00081-8] 5. Theodorsson E. Quality assurance in clinical chemistry: a touch of statistics and a lot of common sense. J Med Biochem 2016;35:103-12. [ DOI:10.1515/jomb-2016-0012] 6. McPherson RA, Pincus MR, Editors. Henry's clinical diagnosis and management by laboratory methods E-book. New York: Elsevier Health Sciences; 2017. 7. Hens K, Berth M, Armbruster D, Westgard S. Sigma metrics used to assess analytical quality of clinical chemistry assays: importance of the allowable total error (TEa) target. Clin Chem Lab Med 2014;52:973-80. [ DOI:10.1515/cclm-2013-1090] 8. Westgard J. CLIA Requirements for Analytical Quality. Avialable from: https://www.westgard.com/clia.htm. [Accessed at: 2019] 9. Jegede FE, Mbah HA, Aminu M, Yakubu TN, Torpey K. Evaluation of laboratory performance with quality indicators in infectious disease hospital, Kano, Nigeria. Open J Clin Diag 2015;5:1. [ DOI:10.4236/ojcd.2015.51001] 10. Guo X, Zhang T, Gao X, Li PTY, Wu Q, Wu J, et al. Sigma metrics for assessing the analytical quality of clinical chemistry assays: a comparison of two approaches. Biochem Med 2018;28:204-14. [ DOI:10.11613/BM.2018.020708] 11. Chaudhary NG, Patani SS, Sharma H, Maheshwari A, Jadhav PM, Maniar MA. Application of six sigma for the quality assurance in clinical biochemistry laboratory-a retrospective study. Int J Res Med 2013;2:17-20. 12. Westgard JO, Westgard SA. Assessing quality on the Sigma scale from proficiency testing and external quality assessment surveys. Clin Chem Lab Med 2015;53:1531-5. [ DOI:10.1515/cclm-2014-1241] 13. Huysal K, Budak YU. Application of sigma metrics for the assessment of quality assurance using the MQ-2000 PT HbA1c analyzer. Biochem Med 2015;25:416-20. [ DOI:10.11613/BM.2015.042] 14. Westgard JO, Westgard SA. An assessment of σ metrics for analytic quality using performance data from proficiency testing surveys and the CLIA criteria for acceptable performance. Am J Clin Pathol 2006;125:343-54. [ DOI:10.1309/V50H4FRVVWX12C79] 15. Mohammadi R, Norozi V. HbA1c External Quality Assessment: Commutable vs Noncommutable Samples. Biomed Pharmacol J 2016;9:163-8. [ DOI:10.13005/bpj/923] 16. Miller WG. Specimen materials, target values and commutability for external quality assessment (proficiency testing) schemes. Clin Chim Acta 2003;327:25-37. [ DOI:10.1016/S0009-8981(02)00370-4] 17. Sudhakar B, Reddy AS, Fallerio J. Comparison of three methods for measurement of blood HbA1c as to reliability. Int J Bioassays 2014;3:3000-4. 18. Mao X, Shao J, Zhang B, Wang Y. Evaluating analytical quality in clinical biochemistry laboratory using Six Sigma. Biochem Med 2018;28:253-56. [ DOI:10.11613/BM.2018.020904]
|