Background: The COVID-19 pandemic has raised global health concerns and posed challenges for postoperative follow-up care for patients undergoing bariatric surgery due to social distancing rules.
Methods: This was a cohort study on patients with morbid obesity who underwent bariatric surgery and had been enrolled in Tehran Obesity Treatment Study. Patients who had surgery between March 2020 and March 2021 were classified as those undergoing the procedure amid the COVID-19 pandemic, while those who had surgery between March 2017 and March 2018 were categorized as the pre-pandemic group.