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KMID : 0922320110180020081
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Journal of Korean Academic Society of Home Care Nursing
2011 Volume.18 No. 2 p.81 ~ p.87
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A Stay Time Optimization Model Emergency Medical Center (EMC)
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Kim Eun-Joo
Lim Ji-Young
Ryo Jeong-Soon
Cho Sun-Hee
Bae Na-Ri
Kim Sang-Suk
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Abstract
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Purpose: The aim of this study was to estimate optimization model of stay time in EMC.
Methods: Data were collected at an EMC in a hospital using medical records from June to August in 2007. The sample size was 8,378. The data were structured by stay time for doctor visit, decision making, and discharge from EMC. Descriptive statistics were used to find out general characteristics of patients. Average mean and quantile regression models were adopted to estimate optimized stay time in EMC.
Results: The stay times in EMC were highly skewed and non-normal distributions. Therefore, average mean as an indicator of optimal stay time was not appropriate. The total stay time using conditional quantile regression model was estimated about 110 min, that was about 166 min shorter than estimated time using average mean.
Conclusion: According to these results, we recommend to use a conditional quantile regression model to estimate optimal stay time in EMC. We suggest that this results will be used to develop a guideline to manage stay time more effectively in EMC.
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KEYWORD
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Time, Emergencies
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