Introduction: Multi-drug resistant Acinetobacter baumannii (MDR-Ab) infections are an important healthcare problem globally. The aim of this study was to evaluate risk factors associated with MDR-Ab infections in hospitalized patients in Turkey. Methodology: A case-control study was performed in a tertiary care 1. 303-bed university hospital. https://www.alarecre.com/American-Flag-Color-Block-iPhone-14-Waterproof-Case-p12619/