Delirium in Geriatric Hospital Single-bed and Multibed Rooms

To investigate whether single-bed rooms can prevent and reduce incidence and duration of delirium compared to multi-bed rooms in elderly patients admitted to a geriatric department. In addition, it is investigated whether single-bed rooms reduce the use of psychotropic drugs, opioids, parenteral medication, fixed guard, falls, hospitalization and discharge to institution among delirious patients. Furthermore, to study if delirium is associated with of re-hospitalization, traumatic fall, institutionalization and death within 30 days, compared to those who do not develop delirium.