Study Design
This was a cross-sectional comparative study conducted at the
Electrophysiology and Cardiac Pacing Unit at ASST Papa Giovanni XXIII
Hospital, Bergamo, Italy. The study period was selected based on the
epidemiology of the COVID-19 epidemic in the area (5), from February
21st to April 5th 2020. As reference
period, we selected the same timeframe during the previous year
(February 21st - April 5th 2019).