2.1. Study design and setting
A single-center prospective cross-sectional study was conducted between
August 1st, 2018, and February 28th, 2020 in the cardiology outpatient
department of the National Institute of Cardiology ”Ignacio Chávez” a
tertiary hospital in Mexico City that provides high specialty
cardiovascular care to uninsured population. This study complied with
the edicts of the Declaration of Helsinki and was approved by the
Institutional Ethics Board (REF. INCAR-DG-DI-CI-003-2022). Informed
consent was obtained from all patients. The data that support the
findings of this study are available on request from the corresponding
author. The data are not publicly available due to privacy or ethical
restrictions