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논문 기본 정보

자료유형
학술저널
저자정보
차원철 (삼성서울병원) 안기옥 (서울대학교병원) 신상도 (서울대학교) 박정호 (서울대학교병원) 조진성 (가천대학교)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.31 No.8
발행연도
2016.1
수록면
1,331 - 1,336 (6page)

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초록· 키워드

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In this study, we evaluated national differences in emergency department (ED) crowding to identify factors significantly associated with crowding in institutes and communities across Korea. This was a cross-sectional nationwide observational study using data abstracted from the National Emergency Department Information System (NEDIS). We calculated mean occupancy rates to quantify ED crowding status and divided EDs into three groups according to their occupancy rates (cutoffs: 0.5 and 1.0). Factors potentially related to ED crowding were collected from the NEDIS. We performed a multivariate regression analysis to identify variables significantly associated with ED crowding. A total of 120 EDs were included in the final analysis. Of these, 73 were categorized as ‘low crowded’ (LC, occupancy rate < 0.50), 37 as ‘middle crowded’ (MC, 0.50 ≤ occupancy rate < 1.00), 10 EDs as ‘high crowded’ (HC, 1.00 ≤ occupancy rate). The mean ED occupancy rate varied widely, from 0.06 to 2.33. The median value was 0.39 with interquartile ranges (IQRs) from 0.20 to 0.71. Multivariate analysis revealed that after adjustment, ED crowding was significantly associated with the number of visits, percentage of patients referred, number of nurses, and ED disposition. This nationwide study observed significant variety in ED crowding. Several input, throughput, and output factors were associated with crowding.

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