In Japan, the declining birthrate and the aging population are progressing remarkably. About public transportation, such as route reduction, abolishing due to reducing customers are serious problems in rural areas, Japan. Furthermore, there are social problems such as ensuring mobility for those who need public transportation in regional areas where the public transportation quality declined. Based on above problems, we targeted aged patients who are considered to need public transportation in Hakui-City, Ishikawa Prefecture in this study. The purpose of this study is to propose the index of quantitative assessment on difficulty attending the hospital for aged person who lives in depopulated areas considering regional characteristics.
Analysis procedure is as follows. First, principal component analysis considering regional charasteristics in hakui-city in terms of neighborhood units was evaluated. Second, Utilizing National Health Insurance Data in Hakui-city, number of patients by diseases were examined for each district. As a result of this analysis using principal component analysis and National Health Insurance Data, it became possible to evaluate accessibility and to examine the details of the number of aged patients by disease in Hakui-City in terms of neighborhood units. The authors conclude that result of this analysis is an important suggestion for revitalizing regional public transportation and measures to realign it. These results can be effectively utilized to solve problems in the area with similar problems in Japan. It is expected that Japan's aging will proceed further in the future, then, one of results of this study which is accessibility for aged patients is useful to take some countermeasures for aged patient in Japan.

Aged person, Making hospital, Depopulated area, Mobility