ALB and Abnormality of metabolism/homeostasis: According to their study, factors significantly associated with delirium in this setting include infection, ‘high-risk’ medication use, diminished activities of daily living, immobility, sensory impairment (poor vision), urinary catheterization, urea and electrolyte imbalance, and low albumin as well as known factors such as dementia, older age, and co-morbid illness.