Observational Study
Copyright ©The Author(s) 2023.
World J Cardiol. Sep 26, 2023; 15(9): 448-461
Published online Sep 26, 2023. doi: 10.4330/wjc.v15.i9.448
Figure 1
Figure 1 Study population and stratification process. A: Coronavirus disease 2019 (COVID-19) pneumonia hospitalizations stratified by patients with and without high degree atrioventricular blocks; B: COVID-19 pneumonia hospitalizations stratified by patients with and without right and left bundle branch blocks.