The goal of this observational study is to investigate the prognosis of cardiovascular disease in Niigata Prefecture. Specifically, it aims to clarify the current status of medical treatment for cardiovascular disease patients in regional cities in Japan, where the population is aging. With patient consent, the study will track long-term medical treatment progress using health insurance claim data recorded in Japan's unique social security system.
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The rate of deterioration in care dependency levels as defined by Japan's Long-Term Care Insurance system
Timeframe: through study completion, an average of 1 year