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논문 기본 정보

자료유형
학술저널
저자정보
심소연 (삼성서울병원 간호사) Yu Jae Yong (Department of Digital Health Samsung Advanced Institute for Health Science) Jekal Seyong (Digital Innovation Center Samsung Medical Center Seoul Korea) Song Yee Jun (Department of Digital Health Samsung Advanced Institute for Health Science & Technology (SAIHST) Moon Ki Tae (Digital Innovation Center Samsung Medical Center Seoul Korea) 이주희 (삼성서울병원) Yeom Kyung Mi (Department of Nursing Samsung Medical Center Seoul Korea) 박숙현 (삼성서울병원) Cho In Sook (Department of Nursing Inha University Incheon Korea) 송미라 (삼성서울병원 간호팀장) Heo Sejin (Department of Emergency Medicine Samsung Medical Center Sungkyunkwan University School of Medicine) Hong Jeong Hee (Department of Nursing Samsung Medical Center Seoul Korea)
저널정보
대한응급의학회 Clinical and Experimental Emergency Medicine Clinical and Experimental Emergency Medicine Vol.9 No.4
발행연도
2022.12
수록면
345 - 353 (9page)
DOI
10.15441/ceem.22.354

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Objective Falls are one of the most frequently occurring adverse events among hospitalized patients. The Morse Fall Scale, which has been widely used for fall risk assessment, has the two limitations of low specificity and difficulty in practical implementation. The aim of this study was to develop and validate an interpretable machine learning model for prediction of falls to be integrated in an electronic medical record (EMR) system.Methods This was a retrospective study involving a tertiary teaching hospital in Seoul, Korea. Based on the literature, 83 known predictors were grouped into seven categories. Interpretable fall event prediction models were developed using multiple machine learning models including gradient boosting and Shapley values.Results Overall, 191,778 cases with 272 fall events (0.1%) were included in the analysis. With the validation cohort of 2020, the area under the receiver operating curve (AUROC) of the gradient boosting model was 0.817 (95% confidence interval [CI], 0.720–0.904), better performance than random forest (AUROC, 0.801; 95% CI, 0.708–0.890), logistic regression (AUROC, 0.802; 95% CI, 0.721–0.878), artificial neural net (AUROC, 0.736; 95% CI, 0.650–0.821), and conventional Morse fall score (AUROC, 0.652; 95% CI, 0.570–0.715). The model’s interpretability was enhanced at both the population and patient levels. The algorithm was later integrated into the current EMR system.Conclusion We developed an interpretable machine learning prediction model for inpatient fall events using EMR integration formats.

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