Partitioning of nongaussian-distributed biochemical reference data into subgroups

Clinical Chemistry

Volumn 50, Issue 5, 2004, Pages 891-900

  Lahti, Ari ^a   Petersen, Per Hyltoft ^b,c   Boyd, James C ^d   Rustad, Pål ^e   Laake, Petter ^f   Solberg, Helge Erik ^a  

^a OSLO UNIVERSITY HOSPITAL   (Norway)

^b ODENSE UNIVERSITY HOSPITAL   (Denmark)

^c UNIVERSITY OF BERGEN   (Norway)

^d UNIVERSITY OF VIRGINIA HEALTH SYSTEM   (United States)

^e Furst Medical Laboratory   (Norway)

^f UNIVERSITY OF OSLO   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; CALCULATION; CLINICAL CHEMISTRY; CORRELATION ANALYSIS; NORMAL DISTRIBUTION; REFERENCE VALUE; STATISTICAL ANALYSIS; STATISTICAL DISTRIBUTION;

HUMANS; LABORATORY TECHNIQUES AND PROCEDURES; REFERENCE VALUES; STATISTICAL DISTRIBUTIONS;

EID: 2142808200     PISSN: 00099147     EISSN: None     Source Type: Journal    
DOI: 10.1373/clinchem.2003.027953     Document Type: Article

References (12)

1. Lahti A, Hyltoft Petersen P, Boyd JC, Fraser CG, Jørgensen N. Objective criteria for partitioning gaussian-distributed reference values into subgroups. Clin Chem 2002;48:338-52.
2. Lahti A, Hyltoft Petersen P, Boyd JC. Impact of subgroup prevalences on partitioning gaussian-distributed reference values. Clin Chem 2002;48:1987-99.
3. Harris EK, Boyd JC. On dividing reference data into subgroups to produce separate reference ranges. Clin Chem 1990;36:265-70.
4. Harris EK, Boyd JC. Statistical bases of reference values in laboratory medicine. New York: Marcel Dekker, 1995:77-90.
5. Solberg HE. Approved recommendation on the theory of reference values (1987). Part 5. Statistical treatment of collected reference values. Determination of reference limits. J Clin Chem Clin Biochem 1987;25:645-56.
6. National Committee for Clinical Laboratory Standards. How to define and determine reference intervals in the clinical laboratory; approved guideline, 2nd ed. NCCLS Document C28-A2. Wayne, PA: NCCLS, 2000.
7. Nordic Reference Interval Project (NORIP). http://www.furst.no/ norip/ (Accessed July 28, 2003).
8. Rustad P. Reference Intervals for 25 of the most frequently used properties in clinical chemistry. Proposal by Nordic Reference Interval Project (NORIP). Klin Biokem Norden 2003;2:10-7.
9. Schulz EK, Willard KE, Rich SS, Connelly DP, Critchfield GC. Improved reference-interval estimation. Clin Chem 1985;31: 1974-8.
10. Reed AH, Henry RJ, Mason WB. Influence of statistical method used on the resulting estimate of normal range. Clin Chem 1971;17:275-84.
11. Linnet K. Nonparametric estimation of reference intervals by simple and bootstrap-based procedures. Clin Chem 2000;46: 867-9.
12. Lahti A. Are the common reference intervals truly common? Case studies on stratifying biochemical reference data by countries using two partitioning methods. Scand J Clin Lab Invest; in press.