Early vascular aging as an index of cardiovascular risk in healthy adults: confirmatory factor analysis from the EVasCu study
Autor
Saz-Lara, Alicia
Cavero-Redondo, Iván
Pascual-Morena, Carlos
Martínez-García, Irene
Rodríguez-Gutiérrez, Eva
Lucerón-Lucas-Torres, Maribel
Bizzozero-Peroni, Bruno
Moreno-Herráiz, Nerea
Martínez-Rodrigo, Arturo
Resumen
Background: The concept of early vascular aging (EVA) represents a potentially beneficial model for future research into the pathophysiological mechanisms underlying the early manifestations of cardiovascular disease. For this reason, the aims of this study were to verify by confirmatory factor analysis the concept of EVA on a single factor based on vascular, clinical and biochemical parameters in a healthy adult population and to develop a statistical model to estimate the EVA index from variables collected in a dataset to classify patients into different cardiovascular risk groups: healthy vascular aging (HVA) and EVA. Methods: The EVasCu study, a cross-sectional study, was based on data obtained from 390 healthy adults. To examine the construct validity of a single-factor model to measure accelerated vascular aging, different models including vascular, clinical and biochemical parameters were examined. In addition, unsupervised clustering techniques (using both K-means and hierarchical methods) were used to identify groups of patients sharing similar characteristics in terms of the analysed variables to classify patients into different cardiovascular risk groups: HVA and EVA. Results: Our data show that a single-factor model including pulse pressure, glycated hemoglobin A1c, pulse wave velocity and advanced glycation end products shows the best construct validity for the EVA index. The optimal value of the risk groups to separate patients is K = 2 (HVA and EVA). Conclusions: The EVA index proved to be an adequate model to classify patients into different cardiovascular risk groups, which could be valuable in guiding future preventive and therapeutic interventions. © 2023, BioMed Central Ltd., part of Springer Nature.
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