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논문 기본 정보

자료유형
학술저널
저자정보
Eun, Sang Jun (Regional Cardiocerebrovascular Center, Seoul National University Bundang Hospital) Lee, Jin-Seok (Department of Health Policy and Management, Seoul National University College of Medicine, Institute of Health Policy and Management, Seoul National University Medical Research Center) Kim, Yoon (Department of Health Policy and Management, Seoul National University College of Medicine, Institute of Health Policy and Management, Seoul National University Medical Research Center) Jung, Koo Young (Department of Emergency Medicine, Ewha Womans University School of Medicine) Park, Sue Kyung (Department of Preventive Medicine, Seoul National University College of Medicine) Lee, Jin Yong (Public Health Medical Service, Seoul Metropolitan Government Seoul National University Boramae Medical Center)
저널정보
한국보건행정학회 보건행정학회지 보건행정학회지 제23권 제2호
발행연도
2013.1
수록면
176 - 187 (12page)

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Background: In 2006 Emergency Medical Services Index (EMSI), which summarizes the performance of regional emergency medical services system, was developed. This study assesses the performance of the EMSI to help determine whether EMSI can be used as evaluation tool. Methods: To build a composite score of the EMSI from predefined 24 indicators, 3 normalized values were calculated for each indicator, the normalized values of each indicator were weighted using 4 weighting methods, and the weighted values were aggregated into the final composite score using 2 aggregation schemes. The performance of EMSI was evaluated using 3 criteria: discrimination, construct validity, and sensitivity. Discrimination was the proportion of regions that did not include the overall median rank in the 5th to 95th percentiles rank interval, which was calculated from Monte Carlo simulation. Construct validity was a correlation among the alternative EMSIs. Sensitivity of EMSIs was evaluated by total shift of quartile membership and changes of 5th to 95th percentile intervals. Results: The total discrimination performance of the EMSI was 50.0%. Correlation coefficients between EMSIs using standardized values and those using rescaled values ranged from 0.621 to 0.997. Variation of the quartile membership of regions ranged from 0.0% to 75.0%. The total change in the 5th to 95th percentile intervals ranged from -19 to +17 places. Conclusion: The results suggested that the EMSI could be used as a tool for evaluating quality of regional EMS system and for identifying the areas for quality improvement.

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