Prerequisites for establishing common reference intervals

References

• Solberg HE. Approved recommendation (1986) on the theory of reference values. Part 1. The concept of reference values. J Clin Chem Clin Biochem 1987; 25: 337–42.
   PubMed Web of Science ®Google Scholar
• PetitClerc C, Solberg HE. Approved recommen-dation (1987) on the theory of reference values. Part 2. Selection of individuals for the production of reference values. J Clin Chem Clin Biochem 1987; 25: 639–44.
   Google Scholar
• Solberg HE, PetitClerc C. Approved recommen-dation (1988) on the theory of reference values. Part 3. Preparation of individuals and collection of specimens for the production of reference values. J Clin Chem Clin Biochem 1988; 26: 593–8.
   Google Scholar
• Solberg HE, Stamm D. Approved recommenda-tion on the theory on reference values. Part 4. Control of analytical variation in the production, transfer and application of reference values. Eur J Clin Chem Clin Biochem 1991; 29: 531–5.
   PubMedGoogle Scholar
• Solberg HE. Approved recommendation (1987) on the theory of reference values. Part 5. Statistical treatment of collected reference values. Deter-mination of reference limits. J Clin Chem Clin Biochem 1987; 25: 645–56.
   Google Scholar
• Dybkxr R, Solberg HE. Approved recommenda-tion (1987) on the theory of reference values. Part 6. Presentation of observed values related to reference values. J Clin Chem Clin Biochem 1987; 25: 657–62.
   Google Scholar
• Fuentes-Arderiu X, Ferré-Masferrer M, Gonzales-Alba JM, Escola-Aliberas J, Balsells-Rosello D, Blanco-Cristobal C. Multicentric reference values for some quantities measured with Tina-Quante reagents systems and RD/Hitachi analysers. Scand J Clin Lab Invest 2001; 61: 273–6.
   PubMed Web of Science ®Google Scholar
• Ferré-Masferrer M, Fuentes-Arderiu X, Alvares Funes V, Gael-Miró R, CastifleirasLacambra MJ. Multicentric reference values: shared reference limits. Eur J Clin Chem Clin Biochem 1997; 35: 715 — 8.
   PubMedGoogle Scholar
• Hyltoft Petersen P, Blaabjerg O, Irjala K, editors. Assessing quality in measurements of plasma proteins. The Nordic Protein Project and related projects. Upsala J Med Sci 1994; 99: 195–389.
   Google Scholar
• Back S-E, Nilsson J-E, Fex G, Jeppsson J-O, Rosen U, Tryding N. Towards common reference intervals in clinical chemistry. An attempt at harmonization between three hospital laboratories in Slane, Sweden. Clin Chem Lab Med 1999; 37: 573–92.
   Google Scholar
• Kinoshita S, Toyofuku M, Iida H, Wakiyama M, Kurihara M, Nakahara M. Standardization of laboratory data and establishment of reference intervals in the Fukuoka prefecture: a Japanese perspective. Clin Chem Lab Med 2001; 39: 256–62.
   PubMed Web of Science ®Google Scholar
• Rustad P. Reference intervals for 25 of the most frequently used properties in clinical chemistry. Proposal by Nordic reference interval project (NORIP). Klinisk Biokemi I Norden 2003; 2: 10–7.
   Google Scholar
• http://www.furst.no/norip/
   Google Scholar
• Martensson A. Reference intervals for haematol-ogy analytes. Preliminary results from the Nordic reference interval project (NORIP). Klinisk Bio-kemi I Norden 2003; 2: 20–1.
   Google Scholar
• Hyltoft Petersen P, Whitcher JT, Myron Johnson A, Itoh Y, Carlström A. on behalf of the International Federation of Clinical Chemistry and Laboratory Medicine Committee on Plasma Proteins. Strategy for determining racial and environmental similarities and differences for plasma proteins. Clin Chem Lab Med 2001; 39: 1146— 53.
   Google Scholar
• Lahti A, Hyltoft Petersen P, Boyd JC, Fraser CG, Jorgensen N. Objective criteria for partitioning Gaussian-distributed reference values into sub-groups. Clin Chem 2002; 48: 338–52.
   PubMed Web of Science ®Google Scholar
• Lahti A, Hyltoft Petersen P, Boyd J. Impact of subgroup prevalence on partitioning of Gaussian-distributed reference values. Clin Chem 2002; 48: 1987— 99.
   PubMed Web of Science ®Google Scholar
• Harris EK, Wong ET, Shaw ST. Statistical criteria for separate reference intervals: race and gender groups in creatine kinase. Clin Chem 1991; 37: 1580— 2.
   Google Scholar
• Jorgensen LGM, Stahl M, Brandslund I, Hyltoft Petersen P, Borch-Johnsen K, de Fine Olivarius N. Plasma glucose reference interval in a low-risk population. 2. Impact of the new WHO and ADA recommendations on diagnosis of diabetes melli-tus. Scand J Clin Lab Invest 2001; 61: 181–90.
   Google Scholar
• Ichihara K, Kawai T. Determination of reference intervals for 13 plasma proteins based on IFCC international reference preparation (CRM 470) and NCCLS proposed guideline (C28-P, 1992): trial to select reference individuals by results of screening tests and application of maximal likeli-hood method. J Clin Lab Analysis 1996; 10: 110–7.
   PubMed Web of Science ®Google Scholar
• Guder WG, Narayanan S, Wisser H, Zawta B. Samples: from the patient to the laboratory. The impact of preanalytical variables on the quality of laboratory results. 2nd ed. Germany: Git Verlag GMBH; 2001.
   Google Scholar
• Guder WG, da Fonseca-Wollheim F, Heil W, Töpfer G, Wisser H, Zawta B. Die Qualität diagnostischer Proben. Deutschen Gesellschaft föl. Klinische Chemie und Deutschen Gesellschaft föl. Laboratoriumsmedizin. Dritte Auflage 2002.
   Google Scholar
• Linnet K. Nonparametric estimation of reference intervals by simple and bootstrap-based proce-dures. Clin Chem 2000; 46: 867–9.
   PubMed Web of Science ®Google Scholar
• Gowans EMS, Hyltoft Petersen P, Blaabjerg 0, Horder M. Analytical goals for the acceptance of common reference intervals for laboratories throughout a geographical area. Scand J Clin Lab Invest 1988; 48: 757–64.
   Google Scholar
• Hyltoft Petersen P, Gowans EMS, Blaabjerg 0, Horder M. Analytical goals for the estimation of non-Gaussian reference intervals. Scand J Clin Lab Invest 1989; 49: 727–37.
   PubMed Web of Science ®Google Scholar
• Fraser CG, Hyltoft Petersen P, Libeer J-C, Ricos C. Proposals for setting generally applicable quality goals solely based on biology. Ann Clin Biochem 1997; 34: 8–12.
   Google Scholar
• Hyltoft Petersen P, Fraser CG, Jorgensen L, Brandslund I, Stahl M, Gowans EMS, Libeer J-C, Ricós C. Combination of analytical quality specifications based on biological within- and between-subject variation. Ann Clin Biochem 2002; 39: 543–50.
   Google Scholar
• http://www.westgard.com/intra-inter.htm
   Google Scholar
• http://www.westgard.com/biodatabase2.htm
   Google Scholar
• Hyltoft Petersen P. Report from the second European symposium on clinical laboratory and in vitro diagnostic industry. "Physiological refer-ence values: A shared business?". Clin Chem Lab Med 2003; 41: 825–8.
   PubMedGoogle Scholar