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The Machine Learning Model for Predicting Inadequate Bowel Preparation before Colonoscopy: a Multicenter Prospective Study.
Clinical and Translational Gastroenterology 2024 March 6
BACKGROUND AND AIMS: Colonoscopy is a critical diagnostic tool for colorectal diseases; however, its effectiveness depends on adequate bowel preparation (BP). This study aimed to develop a machine learning predictive model based on Chinese adults for inadequate BP .
METHODS: A multicenter, prospective study was conducted on adult outpatients undergoing colonoscopy from January 2021 to May 2023. Data on patient characteristics, comorbidities, medication use, and BP quality were collected. Logistic regression and four machine learning models (support vector machines, decision trees, extreme gradient boosting, and bidirectional projection network) were used to identify risk factors and predict inadequate BP.
RESULTS: Of 3217 patients, 21.14% had inadequate BP. The decision trees model demonstrated the best predictive capacity with an area under the receiver operating characteristic curve of 0.80 in the validation cohort. The risk factors at the nodes included body mass index, education grade, use of simethicone, diabetes, age, history of inadequate BP, and longer interval.
CONCLUSION: The decision trees model we created and the identified risk factors can be used to identify patients at higher risk for inadequate BP before colonoscopy, for whom more PEG or auxiliary medication should be used.
METHODS: A multicenter, prospective study was conducted on adult outpatients undergoing colonoscopy from January 2021 to May 2023. Data on patient characteristics, comorbidities, medication use, and BP quality were collected. Logistic regression and four machine learning models (support vector machines, decision trees, extreme gradient boosting, and bidirectional projection network) were used to identify risk factors and predict inadequate BP.
RESULTS: Of 3217 patients, 21.14% had inadequate BP. The decision trees model demonstrated the best predictive capacity with an area under the receiver operating characteristic curve of 0.80 in the validation cohort. The risk factors at the nodes included body mass index, education grade, use of simethicone, diabetes, age, history of inadequate BP, and longer interval.
CONCLUSION: The decision trees model we created and the identified risk factors can be used to identify patients at higher risk for inadequate BP before colonoscopy, for whom more PEG or auxiliary medication should be used.
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