Journal
SMART TECHNOLOGIES, SYSTEMS AND APPLICATIONS, SMARTTECH-IC 2021
Volume 1532, Issue -, Pages 99-113Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-030-99170-8_8
Keywords
Blood glucose level prediction; Long short-term memory; Machine learning; Linear interpolation; Time series
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The study proposes a machine learning model to accurately predict future blood glucose levels in diabetic patients. By processing the dataset using different methods, the study finds the best prediction accuracy. This research is of great importance for addressing healthcare issues related to glucose forecasting and avoiding complications in diabetic patients.
Diabetes is a chronic disease characterized by the elevation of glucose in blood resulting in multiple organ failure in the body. There are three types of diabetes: type 1, type 2, and gestational diabetes. Type 1 diabetes (T1D) is an autoimmune disease where insulin-producing cells are destroyed. World Health Organization latest reports indicate T1D prevalence is increasing worldwide with approximately one million new cases annually. Consequently, numerous models to predict blood glucose levels have been proposed, some of which are based on Recurrent Neural Networks (RNNs). The study presented here proposes the training of a machine learning model to predict future glucose levels with high precision using the OhioT1DM database and a Long Short-Term Memory (LSTM) network. Three variations of the dataset were used; the first one with original unprocessed data, another processed with linear interpolation, and a last one processed with a time series method. The datasets obtained were split into time prediction horizons (PH) of 5, 30, and 60min and then fed into the proposed model. From the three variations of datasets, the one processed with time series obtained the highest prediction accuracy, followed by the one processed with linear interpolation. This study will open new ways for addressing healthcare issues related to glucose forecasting in diabetic patients, helping to avoid concomitant complications such as severe episodes of hyperglycemia.
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