ALB and Hypoalbuminemia: Patients with hypoalbuminemia (albumin < 3.0 g/dL) had a significantly prolonged ICU stay (median 71.0 vs. 60.5 h, p = 0.046) compared to patients with normal albumin levels (≥3.0 g/dL), reflecting a potential link between poor nutritional status and increased healthcare resource utilization.