[The factor analysis results of the relationship of socio-demographic, clinical and functional indicators with the likelihood of identifying age-related disorders in the population in North-Western Russia].

By using the method of factor analysis (principal component method) the determinants of disease in elderly and senile patients were searched with an estimate of their influence degree in the population of the North-West Russia. The data from medical records of 712 patients of both sexes aged 59 to 98 years were analyzed. The factor 1 proved to be associated with: marital status, living conditions, family relationships, bad habits, appearance, cough, diet, hearing and vision, laxatives, joint health, ability to move and sleep disturbances. Factor 2 combined diseases of older: cerebral stroke, myocardial infarction, cardiac arrhythmia, diabetes, kidney disease, obesity, thyroid disease, Parkinson's disease, lung disease, anemia, arthritis, osteoporosis, the number of surgeries and joint diseases. The factor 3 was found to self-association ability before and after admission to the assessment of the patients' mental state for MMSE test after admission. It is concluded that the development of age-related (especially the musculoskeletal system pathology) is associated with social characteristics and living conditions of patients, and treatment of the most age-related diseases requires consideration of comorbidity.