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Assessment of Nurses' Proficiency in Pre-hospital Care Using Activity Based on Wearable Camera Video: Comparison between Expert and Novice Flight Nurses Morikatsu Tsuchiya 1,2,3 , Kohta Itoe 4 , Seiichi Takahashi 5 , Takayuki Sakagami 6 , Kazuchika Manabe 1,7 1Graduate School of Social and Cultural Studies, Nihon University 2Department of Nursing, Faculty of Health Sciences, Nihon Institute of Medical Science 3Department of Emergency Medicine, Jichi Medical University 4Laboratory of Biological Anthropology, Department of Human Sciences, Osaka University 5Nursing Office, Saitama Medical Center, Saitama Medical University 6Keio University 7College of Bioresource Sciences, Nihon University Keyword: プレホスピタル・ケア , フライトナース , 熟練性 , エントロピー , 機械学習 , pre-hospital care , flight nurse , proficiency , entropy , machine learning pp.71-78
Published Date 2021/12/31
  • Abstract
  • Reference

 Objectives: The purpose of this study was to compare differences between expert and novice flight nurses in pre-hospital care by activity measured from optical flow of captured video (hereafter referred to as “video activity”) and investigate the classification performance of machine learning. The results of this study are expected to save labor and improve efficiency of education and work in clinical settings.

 Methods: A total of 30 expert and novice flight nurses were included in the study. The subjects were engaged in pre-hospital care with a wearable camera on their chest. To classify expert and novice flight nurses, we used machine learning and linear discriminant analysis to validate the classification performance of expert and novice flight nurses.

 Results: The median entropy of video activity was significantly lower in expert flight nurses. The classification performance (precision, recall, F1-measure) for each analysis method was higher in support vector machines and random forests.

 Conclusions: We found that the entropy of video activity can be an indicator of proficiency and that applying machine learning to changes in entropy over time shows high classification performance.


Copyright © 2021, Japan Academy of Nursing Science. All rights reserved.

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電子版ISSN 2185-8888 印刷版ISSN 0287-5330 日本看護科学学会

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