The goal of this observational study is to learn whether hazardous alcohol consumption, measured objectively by carbohydrate-deficient transferrin (CDT) levels at intensive care unit (ICU) admission, is associated with worse outcomes in critically ill patients. The main question it aims to answer is:
Do elevated CDT levels at ICU admission predict increased short-term mortality and adverse clinical outcomes in adult non-traumatic ICU patients? Participants admitted to the intensive care unit via the emergency department will have CDT levels measured as part of the study. Researchers will then collect and analyze clinical data, including mortality, duration of mechanical ventilation, delirium, ICU length of stay, renal replacement therapy, and ICU readmission rates, during hospitalization and follow-up.