Introduction: In-hospital cardiac arrest(IHCA) constitutes a significant cause of morbidity and mortality. we devised this study to shed some light on it to better inform both hospitals and policymakers. Methods: We analyzed retrospective data from 680 IHCAs at the American University of Beirut Medical Center between July 1st, 2016, and May 2nd, 2019. Sociodemographic variables included age, sex, and comorbidities in the Charlson Comorbidity Index(CCI). IHCA variables were the day of the