Nutritional evaluation of geriatric patients with Alzheimer's disease in Southern Brazil: case-control study.

Introduction: elderly's malnutrition is linked, among other factors, to chronic-degenerative diseases, requiring an improvement in the clinical evaluation of nutritional status of this population. Studies have tried to find out new tools to assess aged-people nutritional status. One of most used scales to investigate nutritional status on geriatric patients is the Mini Nutritional Assessment (MNA).