『保健医療科学』2026 Vol.75 No.2 p.199－200
＜研修報告＞
令和 7 年度専門課程Ⅰ
保健福祉行政管理分野
救急医療提供体制の定量的評価の試み：オープンデータを用いた圏域比較分析―
藤本 幸
An Attempt at Quantitative Evaluation of Emergency Medical Care Systems: Regional Comparative Analysis Using Open Data
FUJIMOTO Yuki
Abstract
Okinawa Prefecture is a region without an organized primary emergency medical system, and the hospitals with emergency room handle primary emergency care. This unique emergency medical system has not been evaluated quantitatively. This study focused on the central and southern secondary medical areas of Okinawa Prefecture and aimed to evaluate them quantitatively by comparison with secondary medical areas exhibiting similar demographic characteristics, including population size, population density, and aging rates. We utilized indicators such as the number of ambulance acceptances obtained from open data, and non-parametric tests were performed for secondary and tertiary emergency medical hospitals within the target areas. We divided into two groups based on with or without primary emergency medical system, and a Mann-Whitney U test was performed. The number of after-hour visits per general bed (median, 32.8 vs.26.7; p=0.015) and walk-in acceptances per general bed (median, 37.5 vs. 16.3; p=0.048) were significantly higher in the group without a primary emergency care system than those in the group with a primary emergency care system. This suggests that in areas without a primary emergency medical system, there is a marked concentration of patients at secondary and tertiary emergency medical hospitals. These findings
may provide insights for establishing emergency medical systems in other areas facing similar challenges.
キーワード: Emergency medical system, Emergency department crowding, Primary emergency medical care,Open data