Algorithm on age partitioning for estimation of reference intervals using clinical laboratory database exemplified with plasma creatinine
-
Xiaoxia Peng
,
Yaqi Lv
and
Xin Ni
Abstract
Background:
We describe an algorithm to determine age-partitioned reference intervals (RIs) exemplified for creatinine using data collection from the clinical laboratory database.
Methods:
The data were acquired from the test results of creatinine of 164,710 outpatients aged <18 years in Beijing Children’s Hospital laboratories’ databases between January 2016 and December 2016. The tendency of serum creatinine with age was examined visually using box plot by gender first. The age subgroup was divided automatically by the decision tree method. Subsequently, the statistical tests of the difference between subgroups were performed by Harris-Boyd and Lahti methods.
Results:
A total of 136,546 samples after data cleaning were analyzed to explore the partition of age group for serum creatinine from birth to 17 years old. The suggested age partitioning of RIs for creatinine by the decision tree method were for eight subgroups. The difference between age subgroups was demonstrated to be statistically significant by Harris-Boyd and Lahti methods. In addition, the results of age partitioning for RIs estimation were similar to the suggested age partitioning by the Canadian Laboratory Initiative in Pediatric Reference Intervals study. Lastly, a suggested algorithm was developed to provide potential methodological considerations on age partitioning for RIs estimation.
Conclusions:
Appropriate age partitioning is very important for establishing more accurate RIs. The procedure to explore the age partitioning using clinical laboratory data was developed and evaluated in this study, and will provide more opinions for designing research on establishment of RIs.
Acknowledgments
We thank Mr. Ali Abbas for checking the English language and grammar of this article.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: Medical hospital authority, National Health and Family Planning Commission of China, as financial support for this project, has no interest and role in the design and performance, or in the data collection, analysis and interpretation of the results, or in the preparation and approval of this manuscript.
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-2017-1095).
©2018 Walter de Gruyter GmbH, Berlin/Boston
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- The Theranos saga and the consequences
- Innovative approaches in diabetes diagnosis and monitoring: less invasive, less expensive… but less, equally or more efficient?
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- Linking type 2 diabetes and gynecological cancer: an introductory overview
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- Uncertainty evaluation in clinical chemistry, immunoassay, hematology and coagulation analytes using only external quality assessment data
- Measurement uncertainty and metrological traceability of whole blood cyclosporin A mass concentration results obtained by UHPLC-MS/MS
- Computer-assisted interventions in the clinical laboratory process improve the diagnosis and treatment of severe vitamin B12 deficiency
- Trueness, precision and stability of the LIAISON 1-84 parathyroid hormone (PTH) third-generation assay: comparison to existing intact PTH assays
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- Optimizing charge state distribution is a prerequisite for accurate protein biomarker quantification with LC-MS/MS, as illustrated by hepcidin measurement
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