Paediatric reference intervals for 17 Roche cobas 8000 e602 immunoassays in the CALIPER cohort of healthy children and adolescents
-
Mary Kathryn Bohn
, Victoria Higgins , Shervin Asgari , Felix Leung , Barry Hoffman , Joseph Macri und Khosrow Adeli
Abstract
Background
The diagnostic utility of laboratory tests in paediatric medicine relies heavily on the availability of appropriate reference intervals (RIs). The Canadian Laboratory Initiative on Paediatric Reference Intervals (CALIPER) has established a comprehensive database of covariate-stratified RIs for many paediatric laboratory tests using a large, healthy reference population. Several automated analysers in widespread use in clinical laboratories have already been studied. Here, we extend the testing to Roche immunoassays and report, for the first time, comprehensive paediatric RIs for 17 endocrine and special chemistry markers.
Methods
A total of 741 healthy children and adolescents (1 day to <19 years) were recruited and serum samples were analysed for 17 immunoassays on the Roche cobas 8000 e602 Immunoassay Analyzer. Age and sex-specific RIs were established and corresponding 90% confidence intervals (CIs) were calculated in accordance with Clinical and Laboratory Standards Institute guidelines.
Results
Reference values for all analytes measured required age partitioning, particularly during early life and throughout adolescence. Of the 17 analytes measured, eight required sex partitioning, including ferritin, thyroid stimulating hormone (TSH), total triiodothyronine (TT3) and all fertility/sex hormones, except prolactin.
Conclusions
This is the first study to determine accurate paediatric RIs for Roche immunoassays. RIs were generally similar to those previously published by CALIPER on other analytical platforms, highlighting the reproducibility of age- and sex-specific trends in reference values observed across the paediatric age range. The RIs established in this study will improve the accuracy of test result interpretation and clinical decision-making in clinical laboratories utilising Roche immunoassays.
Funding source: Canadian Institutes of Health Research
Award Identifier / Grant number: 353989
Funding statement: The study was financially supported by a Foundation Grant from the Canadian Institutes of Health Research (CIHR, Funder Id: http://dx.doi.org/10.13039/501100000024, Grant Number: 353989) as well as a research grant and material support from Roche Diagnostics Canada. M.K. Bohn was supported by the Restracomp SickKids Scholarship.
Acknowledgments
This study would not have been possible without the generous participation of children from the community. We thank all participants, their families and the numerous CALIPER volunteers whose dedication and time commitment made this study possible. We would also like to thank technical and managerial staff at Mount Sinai Hospital for analysis of paediatric samples on the Roche cobas systems.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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.
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/cclm-2019-0707).
© 2019 Walter de Gruyter GmbH, Berlin/Boston
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Artikel in diesem Heft
- Frontmatter
- Editorial
- The re-emergence of dried blood spot sampling – are we ready?
- Review
- The role of platelets in bleeding in patients with thrombocytopenia and hematological disease
- Opinion Paper
- Exertional hematuria: definition, epidemiology, diagnostic and clinical considerations
- Guidelines and Recommendations from Scientific Societies
- A protocol for testing the stability of biochemical analytes. Technical document
- Genetics and Molecular Diagnostics
- Hereditary hyperferritinaemia-cataract syndrome (HHCS) – an underestimated condition: ferritin light chain variant spectrum in German families
- General Clinical Chemistry and Laboratory Medicine
- Performance of a web-based application measuring spot quality in dried blood spot sampling
- Clinical application of a dried blood spot assay for sirolimus and everolimus in transplant patients
- Plasma and dried blood spot lysosphingolipids for the diagnosis of different sphingolipidoses: a comparative study
- Liquid biopsy of cerebrospinal fluid identifies neuronal pentraxin receptor (NPTXR) as a biomarker of progression of Alzheimer’s disease
- Integrity of serum samples is changed by modified centrifugation conditions
- Heparin and citrate additive carryover during blood collection
- Copeptin – a biomarker of short-term mortality risk (7 days) in patients with end-stage liver disease
- Comparison of a new rapid method for the determination of adalimumab serum levels with two established ELISA kits
- Measurement of α-dicarbonyl compounds in human saliva by pre-column derivatization HPLC
- Establishment of the intelligent verification criteria for a routine urinalysis analyzer in a multi-center study
- Reference Values and Biological Variations
- A new indirect estimation of reference intervals: truncated minimum chi-square (TMC) approach
- EGFR and EGFR ligands in serum in healthy women; reference intervals and age dependency
- Early pregnancy reference intervals; 29 serum analytes from 4 to 12 weeks’ gestation in naturally conceived and uncomplicated pregnancies resulting in live births
- Paediatric reference intervals for 17 Roche cobas 8000 e602 immunoassays in the CALIPER cohort of healthy children and adolescents
- Hematology and Coagulation
- Study of the analytical performance at different concentrations of hematological parameters using Spanish EQAS data
- Multicenter performance evaluation of the Abbott Alinity hq hematology analyzer
- Cardiovascular Diseases
- Fast 0/1-h algorithm for detection of NSTEMI: are current high-sensitivity cardiac troponin assays fit for purpose? An EQA-based evaluation
- Infectious Diseases
- Diagnostic performance of cerebrospinal fluid free light chains in Lyme neuroborreliosis – a pilot study
- Letters to the Editor
- Quality management at the national biobanking level – establishing a culture of mutual trust and support: the BBMRI.at example
- Molecular diagnosis of MODY3 permitted to reveal a de novo 12q24.31 deletion and to explain a complex phenotype in a young diabetic patient
- Increased C-reactive protein values in the absence of inflammation: monoclonal immunoglobulin interference in immunonephelometry
- An approach based on simulated hemolysis for establishing the hemolysis index threshold for high-sensitivity cardiac troponin T assay
- Utility of the icteric index for the management of bilirubin test requesting
- Quality control of monocyte volume and distribution width parameters of the Beckman Coulter DxH series
- Mozhaisk haemoglobin variant effects on leukocyte differential channel using the Sysmex XN series
- Detection of a novel hemoglobin variant Hb Liaoning by matrix assisted laser desorption/ionization-time of flight mass spectrometry
- Appropriateness of repetitive therapeutic drug monitoring and laboratory turnaround time
- Congress Abstracts
- 51th National Congress of the Italian Society of Clinical Biochemistry and Clinical Molecular Biology (SIBioC – Laboratory Medicine)