Reference change values and power functions

Clinical Chemistry and Laboratory Medicine

Volumn 42, Issue 4, 2004, Pages 415-422

  Canadell, Natàlia Iglesias ^a,b   Petersen, Per Hyltoft ^b   Jensen, Esther ^b   Ricós, Carmen ^a   Jørgensen, Per E ^b  

^a HOSPITAL UNIVERSITARI VALL D HEBRON   (Spain)

^b ODENSE UNIVERSITY HOSPITAL   (Denmark)

Author keywords

Analytical and within subject biological variation; False positive and false negative; Power functions; Reference change value; Type I and II errors; z statistic

Indexed keywords

CALCIUM; CREATININE; HEMOGLOBIN A1C;

ANALYTICAL ERROR; ANALYTICAL PARAMETERS; ARTICLE; CALCIUM BLOOD LEVEL; CALCULATION; CONSTANTS AND COEFFICIENTS; CONTROLLED STUDY; CREATININE BLOOD LEVEL; HEMOGLOBIN DETERMINATION; HUMAN; MEASUREMENT; NORMAL DISTRIBUTION; PATIENT MONITORING; PRIORITY JOURNAL; PROBABILITY; REFERENCE VALUE; RISK ASSESSMENT; STATISTICAL ANALYSIS;

ANALYSIS OF VARIANCE; CALCIUM; CREATININE; DATA INTERPRETATION, STATISTICAL; FALSE POSITIVE REACTIONS; HEMOGLOBIN A; HUMANS; MODELS, BIOLOGICAL; PREDICTIVE VALUE OF TESTS; PROBABILITY; REFERENCE VALUES;

EID: 2342529819     PISSN: 14346621     EISSN: None     Source Type: Journal    
DOI: 10.1515/CCLM.2004.073     Document Type: Article

References (19)

1. Harris EK, Yasaka T. On the calculation of a "reference change" for comparing two consecutive measurements. Clin Chem 1983;29:25-30.
2. Costongs GMPJ, Janson PCW, Bas BM, Hermans J, van Wersch JWJ, Brombacher PJ. Short-term and long-term intra-individual variations and critical differences of clinical chemical laboratory parameters. J Clin Chem Clin Biochem 1985;23:7-16.
3. Boyd JC, Harris EK. Utility of reference change values for the monitoring of inpatient laboratory data. Zinder O, editor. Optimal use of the clinical laboratory. 5th International Meeting of Clinical Laboratory Organization and Management, Haifa 1985;111-22. Basel: Karger, 1986.
4. Queraltó JM, Boyd JC, Harris EK. On the calculation of reference change values, with examples from a long-term study. Clin Chem 1993;39:1398-403.
5. Fraser CG. Biological variation: from principles to practice. Washington: AACC Press, 2001.
6. Fraser CG, Hyltoft Petersen P, Lytken Larsen M. Setting analytical goals for random analytical error in specific clinical monitoring situations. Clin Chem 1990;36:1625-8.
7. Westgard JO, Groth T, Aronsson T, Falk H, de Verdier CH. Performance characteristics of rules of internal quality control: probabilities for false rejection and error detection. Clin Chem 1977;23:1857-67.
8. Westgard JO, Groth T. Power functions for statistical control rules. Clin Chem 1979;25:863-9.
9. Fraser CG. The application of theoretical goals based on biological variation data in proficiency testing. Arch Pathol Lab Med 1988;112:404-15.
10. Biosca C, Ricós C, Jiménez CV, Lauzurica R, Galimany R. Model for establishing biological variation in non-healthy situations: renal posttransplantation data. Clin Chem 1997;43:2206-8.
11. Ricós C, Alvarez V, Cava F, García JV, Hernández A, Jiménez CV, et al. Desirable specifications for total error, and bias, derived from biologic variation. http://www.westgard.com/biodatabase1.htm
12. Sebastián-Gámbaro MA, Lirón-Hernández FJ, Fuentes-Arderiu X. Intra- and inter-individual biological variability data bank. Eur J Clin Chem Biochem 1997;35:845-52. http://www.westgard.com/biobank1.htm
13. Fraser CG, Hyltoft Petersen P, Libeer JC, Ricós C. Proposals for setting generally applicable quality goals solely based on biology. Ann Clin Biochem 1997;34:8-12.
14. Hyltoft Petersen P, Fraser CG, Sandberg S, Goldschmidt H. The index of individuality is often a misinterpreted quantity characteristic. Clin Chem Lab Med 1999;37:655-61.
15. 1c assays derived using different strategies. Ann Clin Biochem 1991;28:272-8.
16. Sölétormos G, Schioler V, Nielsen D, Skovsgaard T, Dombernowsky P. Interpretation of results for tumor markers on the basis of analytical imprecision and biological variation. Clin Chem 1993;39:2077-83.
17. Tuxen MK, Sölétormos G, Hyltoft Petersen P, Dombernowsky P. Interpretation of sequential measurements of cancer antigen 125 (CA 125), carcinoembryonic antigen (CEA), and tissue polypeptide antigen (TPA) based on analytical imprecision and biological variation in the monitoring of ovarian cancer. Clin Chem Lab Med 2001;39:531-8.
18. Hyltoft Petersen P, Feldt-Rasmussen U, Horder M, Blaabjerg O, Thygesen K. Variability of plasma proteins according to molecular size. Long-term and short-term intra-individual variation. Scand J Clin Lab Invest 1981;41:143-50.
19. Von Eyben FE, Hyltoft Petersen P, Lindegaard Madsen E, Blaabjerg O, Nørgaard Pedersen B, Arends J. Correcting for contamination from haemolysis in measurements of lactate dehydrogenase isoenzyme 1 in serum from patients with testicular germ cell tumors. Clin Chem Technical Brief 1993;39:2199.