It also aims to assess this rate among patients 1) when the geriatrics mobile unit is involved in the screening of these troubles and 2) when it is not.~All the patients (75 and older) hospitalised in the internal medicine department of a suburban Parisian hospital are included in the study and their psycho-cognitive functions assessed by a geriatrics physician, using 3 validated tests.~The result of this screening provides the rate of psycho-cognitive troubles among patients that would not have been tested by a geriatrics physician in usual care. It assesses the interest of a systematic evaluation of elderly patients by the geriatric mobile unit.
The main objective of the study is to assess the rate of patients with psycho-cognitive troubles among hospitalised elderly patients.