In elderly 10 leading causes of hospitalization were: hypertension (17.2%), pneumonia (7.6%), chronic obstructive pulmonary disease (4.7%), vestibular disorders (4.6%), cataract (3.9%), diabetes mellitus type 2 (3%), ischemic heart disease (2.9%), gastro-duodenal ulcer (2.8%), cerebrovascular accident (1.9%) and diseases of the lumbar spine (1.5%).