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Calculate the variances of X and Y.
ICU/CCU Psychosis
A mental disorder that can affect patients in the Intensive Care Unit (ICU) or Critical Care Unit (CCU), characterized by confusion, delirium, and hallucinations due to the stressful environment.
Intensive Care
Specialized medical treatment provided to patients with severe, life-threatening illnesses or injuries, often involving close monitoring and support in a hospital's intensive care unit.
Medication
Drugs or other forms of treatment that are used to prevent, alleviate, or cure diseases and medical conditions.
Vascular Neurocognitive Disorder
A form of dementia resulting from multiple strokes and/or ischemic events.
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