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    政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 >  Item 140.119/63252


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    題名: Development of a daily mortality probability prediction model from Intensive Care Unit patients using a discrete-time event history analysis
    作者: 陳恭
    Chen,Kung;Huang,Ying Che;Chang,Kuang Yi;Lin,Shih Pin;Chan,Kwok Hon;Chang,Polun
    貢獻者: 資科系
    關鍵詞: Mortality probability;Prediction model;Blood cell count;Discrete time event history analysis;Intensive Care Unit;Advisory system
    日期: 2013.08
    上傳時間: 2014-01-02 17:34:28 (UTC+8)
    摘要: As studies have pointed out, severity scores are imperfect at predicting individual clinical chance of survival. The clinical condition and pathophysiological status of these patients in the Intensive Care Unit might differ from or be more complicated than most predictive models account for. In addition, as the pathophysiological status changes over time, the likelihood of survival day by day will vary. Actually, it would decrease over time and a single prediction value cannot address this truth. Clearly, alternative models and refinements are warranted. In this study, we used discrete-time-event models with the changes of clinical variables, including blood cell counts, to predict daily probability of mortality in individual patients from day 3 to day 28 post Intensive Care Unit admission. Both models we built exhibited good discrimination in the training (overall area under ROC curve: 0.80 and 0.79, respectively) and validation cohorts (overall area under ROC curve: 0.78 and 0.76, respectively) to predict daily ICU mortality. The paper describes the methodology, the development process and the content of the models, and discusses the possibility of them to serve as the foundation of a new bedside advisory or alarm system.
    關聯: Computer Methods and Programs in Biomedicine, 111(2), 280-289
    資料類型: article
    DOI 連結: http://dx.doi.org/10.1016/j.cmpb.2013.03.018
    DOI: 10.1016/j.cmpb.2013.03.018
    顯示於類別:[資訊科學系] 期刊論文

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