Regression-based reference limits for urinary amino acids in a pediatric population

Clinical Chemistry and Laboratory Medicine

Volumn 40, Issue 4, 2002, Pages 383-390

  Ventra, Rafael ^a   Prieto, Belén ^a   Alvarez, Francisco V ^a  

^a UNIVERSITY OF OVIEDO   (Spain)

Author keywords

Amino acid analysis; Aminoacidurias; Reference limits; Regression; Residual analysis; Tubular reabsorption systems

Indexed keywords

ALANINE; AMINO ACID; ARGININE; ASPARAGINE; ASPARTIC ACID; CYSTEINE; GLUTAMIC ACID; GLUTAMINE; GLYCINE; HISTIDINE; ISOLEUCINE; LEUCINE; LYSINE; METHIONINE; PHENYLALANINE; PROLINE; SERINE; TAURINE; THREONINE; TRYPTOPHAN; TYROSINE; VALINE;

AGE; AMINO ACID ANALYSIS; AMINO ACID METABOLISM; AMINO ACID URINE LEVEL; ARTICLE; CHILD; CONFIDENCE INTERVAL; CONTROLLED STUDY; FEMALE; FOLLOW UP; HUMAN; INFANT; LINEAR REGRESSION ANALYSIS; MAJOR CLINICAL STUDY; MALE; METABOLIC DISORDER; PARAMETRIC TEST; PRIORITY JOURNAL; PUBERTY; REFERENCE VALUE; STATISTICAL MODEL; URINARY EXCRETION; COMPARATIVE STUDY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; NEWBORN; PRESCHOOL CHILD; REGRESSION ANALYSIS; STANDARD; URINE;

AGE FACTORS; AMINO ACIDS; CHILD; CHILD, PRESCHOOL; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; COMPARATIVE STUDY; CONFIDENCE INTERVALS; FEMALE; HUMAN; INFANT; INFANT, NEWBORN; MALE; REFERENCE STANDARDS; REGRESSION ANALYSIS; HUMANS;

EID: 0036000807     PISSN: 14346621     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (31)

1. Normal values. Urine
2. A scheme for interpretation of primary and secondary disturbances of plasma and urinary amino acid profiles. A possible way to an expert system
3. Quantitative methods for amino acid analysis in biological fluids
4. Amino acid determination in biological fluids by automated ion-exchange chromatography: Performance of Hitachi L-8500A
5. Intra- and interlaboratory quality control for assay of amino acids in biological fluids: 14 years of the French experience
6. State-of-the-art of high-performance liquid chromatographic analysis of amino acids in physiological samples
7. Year-long validation study and reference values for urinary amino acids using a reversed-phase HPLC method
8. Assessment of tubular reabsorption of sodium, glucose, phosphate and amino acids based on spot urine samples
9. Age-related reference values for free amino acids in first morning urine specimens
10. Serum immunoglobulin concentrations in preschool children measured by laser nephelometry: Reference ranges for lgG, lgA, lgM
11. Reference intervals for immunoglobulins lgA, lgG and lgM in serum in adults and in children aged 6 months to 14 years
12. Constructing time-specific reference ranges
13. Regression-based reference limits and their reliability: Example on hemoglobin during the first year of life
14. Construction of age-related reference centiles using absolute residuals
15. Modeling variance heterogeneity in normal regression using GLIM
16. Distribution-free estimation of age-related centiles
17. Reference values obtained by kernel-based estimation of quantile regressions
18. Age-specific distribution of plasma amino acid concentrations in a healthy pediatric population
19. Expert panel of theory of reference values. Part 5. Statistical treatment of collected reference values. Determination of limits
20. The Pico Tag method - A manual of advanced techniques for amino acid analysis
21. Statistical treatment of reference values in laboratory medicine: Testing the goodness-of-fit of an observed distribution to the Gaussian distribution
22. An extension of Shapiro and Wilk's W test for normality to large samples
23. Accurate estimation of standard deviation for quantitative methods used in clinical chemistry
24. Regression-based reference limits: Determination of sufficient sample size
25. Pediatric reference intervals for 19 biologic variables in healthy children
26. Clinical evaluation of high-performance affinity chromatography for the separation of bone and liver alkaline phosphatase isoenzymes
27. Generation of reference values for cardiac enzymes from hospital admission laboratory data
28. Age-specific reference ranges for serum prostate-specific antigen
29. Regression-based reference limits for serum transferrin receptor in children 6 months to 16 years of age
30. Free amino acid analysis of untimed and 24-h urine samples compared
31. Lowe syndrome