Introduction: A common pathology in the Neurosurgery Service is chronic subdural hematoma (CSDH), affecting elderly male patients. It is an accumulation of blood that is located in the subdural space that can occur spontaneously or be the result of a head injury or other pathologies such as high blood pressure (HBP), type 2 diabetes mellitus (DM2), alcoholism, or external factors such as head trauma (CT) and consumption of platelet antiaggregants. Objective: To determine how predisposing factors are associated with CSDH in adults and older adults treated at the Neurosurgery and Geriatrics Service at the María Auxiliadora Hospital (HMA) in 2016-2020. Methods:An analytical, observational, retrospective study of cases and controls was carried out through data collection from medical records. Results: Association was found with age 60 to 96 years (adjusted OR = 2,52; 95% CI: 1,43 - 4,80), m...