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Ambulance Transport of Patients with Mild Conditions in Hokkaido, Japan

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Title: Ambulance Transport of Patients with Mild Conditions in Hokkaido, Japan
Authors: Yazaki, Hiroshi Browse this author
Nishiura, Hiroshi Browse this author →KAKEN DB
Keywords: emergency medicine
emergency mobile units
socioeconomic factors
ecological study
Issue Date: 1-Feb-2020
Publisher: MDPI
Journal Title: International journal of environmental research and public health
Volume: 17
Issue: 3
Start Page: 919
Publisher DOI: 10.3390/ijerph17030919
Abstract: Understanding the epidemiological distributions of ambulance transport for patients with mild conditions according to age, disease, and geographic region could help in achieving optimal use of ambulance services. In the present study, we explored the descriptive epidemiology of ambulance transports in Hokkaido, the northernmost prefecture of Japan, identifying potential factors that determine the frequency of transports for mild diseases. Of the total 153,667 ambulance transports in Hokkaido during 2016, we found that two-thirds were for older people, of which about 60% resulted in hospital admission. There were 74,485 transports for mild cases, which were most commonly for psychiatric disorders among working-age adults (n = 4805), heart diseases among older people (n = 4246), and sensory organ diseases among older people (n = 3589). Examining the ecological correlations over 58 geographic units of ambulance services, the total unemployment rate and distance to the nearest tertiary care hospital were, respectively, positively and negatively correlated with the standardized transport ratio for multiple mild diseases. The proportion of working-age adults was uniquely identified as a possible positive predictor in mild cases of psychiatric disorders. As the identified potential predictors could be helpful in considering countermeasures, the causal links should be examined in future studies.
Rights: © 2020 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (
Type: article
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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