Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
References
1. Plebani M, Sciacovelli L, Aita A, Chiozza ML. Harmonization of pre-analytical quality indicators. Biochem Med (Zagreb) 2014;24:105–13.10.11613/BM.2014.012Search in Google Scholar PubMed PubMed Central
2. Benfield CB, Brummond P, Lucarotti A, Villarreal M, Goodwin A, Wonnacott R, et al. Applying lean principles to continuous renal replacement therapy processes. Am J Health Syst Pharm 2015;72:218–23.10.2146/ajhp140257Search in Google Scholar PubMed
3. Serrano L, Hegge P, Sato B, Richmond B, Stahnke L. Using LEAN principles to improve quality, patient safety, and workflow in histology and anatomic pathology. Adv Anat Pathol 2010;17:215–21.10.1097/PAP.0b013e3181d98c81Search in Google Scholar PubMed
4. Coskun A, Serteser M, Kilercik M, Aksungar F, Unsal I. A new approach to calculating the Sigma Metric in clinical laboratories. Accred Qual Assur 2015;20:147–52.10.1007/s00769-015-1113-8Search in Google Scholar
5. Coskun A, Oosterhuis WP, Serteser M, Unsal I. Sigma metric or defects per million opportunities (DPMO): the performance of clinical laboratories should be evaluated by the Sigma metrics at decimal level with DPMOs. Clin Chem Lab Med 2016;54:e217–9.10.1515/cclm-2015-1219Search in Google Scholar PubMed
©2017 Walter de Gruyter GmbH, Berlin/Boston
