Abstract
Background Reference intervals are a prerequisite for the interpretation of laboratory data related to diagnostic issues and treatment strategies. In adolescents, biomarker concentrations change with age, necessitating a continuous age-related definition of the reference intervals. The purpose of this pilot study was to evaluate the reference intervals for a healthy population of adolescents in Salzburg and compare these, when possible, with age- and gender-matched published data. Methods Anthropometrical parameters and blood samples were collected from adolescents (male and female; 14-17 years) in a school setting. Haematological samples were measured using Sysmex XS-1000i, lipid and carbohydrate metabolism markers as well as enzymes and hormones were determined by Cobas c311, Vitros ECiQ® or ELISA. The reference intervals were calculated according to the CLSI guidelines C28-A3c. Results Samples of 102 participants were included. Compared to age- and gender-matched reference intervals, the BMI levels were in the lower normal rage. Most haematological parameters and biomedical makers reveal similar ranges to values published in other studies. Conclusions This data analysis allowed for a partial comparison of reference values with published data and enabled a new determination of paediatric reference intervals for an Austrian cohort.
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