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Summary: Bone microarchitecture assessed by high-resolution peripheral quantitative computed tomography varies across populations of different origin. The study presents a reference dataset of microarchitectural parameters in a homogeneous group of participants aged within 22–27 range determined by a discriminant analysis of a larger cross-sectional cohort of 339 women. Introduction: High-resolution peripheral quantitative computed tomography (HR-pQCT) non-invasively measures three-dimensional bone microarchitectural parameters and volumetric bone mineral density. Previous studies established normative reference HR-pQCT datasets for several populations, but there were few data assessed in a reference group of young women with Caucasian ethnicity living in Western Europe. It is important to obtain different specific reference dataset for a valid interpretation of cortical and trabecular microarchitecture data. The aim of our study was to find the population with the most optimal bone status in order to establish a descriptive reference HR-pQCT dataset in a young and healthy normal-weight female cohort living in a European area including Geneva, Switzerland, Lyon and Saint-Etienne, France. Methods: We constituted a cross-sectional cohort of 339 women aged 19–41 years with a BMI > 18 and < 30 kg/m2. All participants had HR-pQCT measurements at both non-dominant distal radius and tibia sites. Results: We observed that microarchitectural parameters begin to decline before the age of 30 years. Based on a discriminant analysis, the optimal bone profile in this population was observed between the age range of 22 to 27 years. Consequently, we considered 43 participants aged 22–27 years to establish a reference dataset with median values and percentiles. Conclusion: This is the first study providing reference values of HR-pQCT measurements considering specific age bounds in a Franco-Swiss female cohort at the distal radius and tibia sites. [ABSTRACT FROM AUTHOR]

A correction is presented to the article "Reference microarchitectural values measured by HR‑pQCT in a Franco‑Swiss cohort of young adult women."