運用資料擬合在斷層掃描病人服務時間分析

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doi:10.6840/cycu201600390

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运用资料拟合在断层扫描病人服务时间分析

Applying data fitting to analyze service time of computed tomography patients

陈文育 , 硕士　　导师：陈平舜　　

繁体中文 DOI： 10.6840/cycu201600390

资料拟合；数据分析；断层扫描；机率分配；随机的；医疗产业； data fitting ； data analysis ； computed tomography ； probability distribution ； stochastic ； medical industry

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摘要 │ 参考文献 (23) │ 国际计量

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This research reviews the data fitting methods in the literature and summarizes the common probability distributions in the medical industry. Then, this research develops a new data fitting process in order to determine the probability distribution for each kind of monthly patients’ service time. Based on the proposed data fitting process, this study analyzes the two-year computed tomography (CT) patients’ service time, classifies CT patients into six categories, and determines the probability distribution for each kind of the monthly CT patients’ service time. Next, this study uses mean square error (MSE) and the box-plot to determine which monthly CT patients’ service time can represent the annual CT patients’ service time. Based on the numerical results, this research discusses the possible reason of why some of the monthly CT patients’ service time data are close to the annual CT patients’ service time data. In addition, this study interviews with the hospital manager to figure out the reasons that affect the fluctuation of the monthly CT patients’ service time.
The findings of this research show that the proposed data fitting process can not only replace the traditional process, which is based on the fixed probability distribution or the average patients’ service time, but also solve the data-fitting problem failing to find an appropriate probability distribution. The results can help decision makers select the suitable monthly CT patients’ service time for representing the annual CT patients’ service time in a system simulation model. If the monthly CT patients’ service time meets the following conditions, it will be able to represent the annual CT patients’ service time: 1. There are enough samples for that monthly CT patients, and the range of each CT patients’ service time group is within an acceptable range; 2. The minimum of the monthly CT patients’ service time is less than 3.5 minutes; and 3. The range of each CT patients’ service time group is close to a specific value. Finally, this research indicates that the appropriate monthly CT patients’ service time for representing the annual CT patients’ service time cannot be used to justify the quality of the monthly CT patients’ service time.

参考文献 ( 23 ) 〈TOP〉

Ahmed, M. A., & Alkhamis, T. M. (2009). Simulation optimization for an emergency department healthcare unit in Kuwait. European Journal of Operational Research, 198(3), 936-942.
连结：
Alexopoulosa, C., Goldsmana, D., Fontanesib, J., Kopaldb, D., & Wilson, J. R. (2008). Modeling patient arrivals in community clinics. Omega, 36, 33-43.
连结：
Alrefaei, M. H., & Diabat, A. (2015). Modelling and optimization of outpatient appointment scheduling. RAIRO - Operations Research, 49, 435-450.
连结：
Anderson, K., Zheng, B., Yoon, S. W., & Khasawneh, M. T. (2015). An analysis of overlapping appointment scheduling model in an outpatient clinic. Operations Research for Health Care, 4, 5-14.
连结：
Bain, A. D., & Cramer, J. A. (1996). Slow chemical exchange in an eight-coordinated bicentered ruthenium complex studied by one-dimensional methods. Data fitting and error analysis. Journal of Magnetic Resonance, 118(4), 21-27.
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引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。