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This study developed nine machine learning models to predict readmission in 12,041 T2DM patients over 30, 60, and 365 days.
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Artificial neural networks achieved the highest AUROC for 30-day and 60-day predictions, while random forest excelled for 365-day predictions.
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SHAP analysis indicated that age was the primary predictor for 30-day readmissions, while inflammatory markers were key for 60-day readmissions.
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Diabetes-specific chronic complications were the dominant risk factors for 365-day readmissions, highlighting the evolution of risk factors over time.
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The study emphasizes the need for time-specific model selection and dynamic risk monitoring in T2DM patients to improve clinical outcomes.