DXA-derived visceral adipose tissue reference values and cardiometabolic risk factors in an Algerian adult population v1
Résumé
This protocol aimed to establish reference values for visceral adipose tissue (VAT) measured by GE Lunar iDXA in a general adult Algerian population. Secondary objectives were to determine cardiometabolic consequences and to propose suggested threshold values for VAT to predict metabolic syndrome. We conducted a cross-sectional observational study in a general urban adult population in Algeria. Participants were randomly selected from the electoral list of the municipality of Tlemcen. The required number of subjects for this study was calculated for men and women. Whole-body scans were conducted with a Lunar iDXATM (GE Healthcare‱, USA) DXA scanner. Body composition parameters were analysed using the software enCORETM (version 18), and VAT was measured with the CoreScanTM (GE Healthcare‱, USA). The other body composition parameters determined are: Subcutaneous adipose tissue, total and regional fat mass, fat mass index, appendicular lean mass index and dual femur bone mineral density. Different cardiometabolic risk factors and other diseases associated with obesity that were assessed. Insulin resistance was assessed with different scores particularly HOMA2-IR score. Physical activity and adherence to the Mediterranean diet were also assessed.
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