Construction and reliability and validity of evaluation scale for tube feeding dependence in critically ill patients receiving enteral nutrition therapy

Du Jinlei; Nie Chencong; Wang Hongmei; Zhang Jiquan; Wang Lan; Zhang Hongmei; Lei Ling; Zhao Hongxiang

doi:10.11986/j.issn.1673-873X.2023.10.016

Abstract：Objective This paper aims to construct an evaluation scale for tube feeding dependence in critically ill patients treated with enteral nutrition and verify its reliability and validity,to provide evidence for accurate screening and quantitative evaluation of tube feeding dependence symptoms.Methods From January to May 2022,the initial scale was formulated by reviewing literature,qualitative interviews,and Delphi expert correspondence.From June to October 2022,a multicenter survey was conducted among 372 participants selected from the Fourth People's Hospital of Zigong,West China Hospital of Sichuan University,Deyang People's Hospital,and the Second People's Hospital of Chengdu by a convenience sampling method.A formal scale was formed by item analysis and exploratory factor analysis,and the reliability and validity of the scale were tested.The diagnostic efficacy of the scale was assessed and analyzed in November 2022.Results The initial scale of tube feeding dependence assessment for enteral nutrition therapy in critically ill patients included 20 items,and 3 di-mensions(dietary willingness,dietary symptoms,and nutritional support)were formed after screening analysis,totaling 16 items of the final scale.The Cronbach's coefficient of the scale was 0.929 and the content validity index was 0.864.The content validity index ranged from 0.800 to 1.000 at each item level of the scale and 0.894 at the scale level.Exploratory factor analysis extracted 3 common factors,and the cumulative variance contribution rate was 67.687％.The area under the ROC curve was 0.827(95％CI,0.675 to 0.979),and when the diagnostic cut-off value was set at 40 points,the sensitivi-ty and specificity were 86.7％and 72.4％,respectively.Conclusion The scale for evaluating the symptoms of feeding de-pendence after enteral nutrition therapy in critically ill patients developed in this study is simple and reliable,and can be widely used in evaluating the symptoms of feeding dependence after enteral nutrition therapy in these patients in China.