Tuberculosis (TB) is a contagious infectious disease caused by infection with the bacterium Mycobacterium tuberculosis and mostly attacks the lungs. The purpose of this study was to determine the risk factors for multidrug resistant tuberculosis (MDR-TB) in Arifin Achmad Hospital, Riau Province in 2020-2022. This research was conducted in February 2022 – June 2022. This research was conducted…