Journal
DIGESTIVE DISEASES AND SCIENCES
Volume 67, Issue 10, Pages 4874-4885Publisher
SPRINGER
DOI: 10.1007/s10620-022-07506-8
Keywords
Artificial intelligence; Machine learning; Precision medicine; Big data; Inflammatory bowel diseases
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This study demonstrates the feasibility of accurately predicting adverse outcomes in patients with IBD using complex and novel AI models on large longitudinal datasets, which is important for the implementation of preemptive measures and risk stratification in a clinical setting.
Background Inflammatory Bowel Diseases with its complexity and heterogeneity could benefit from the increased application of Artificial Intelligence in clinical management. Aim To accurately predict adverse outcomes in patients with IBD using advanced computational models in a nationally representative dataset for potential use in clinical practice. Methods We built a training model cohort and validated our result in a separate cohort. We used LASSO and Ridge regressions, Support Vector Machines, Random Forests and Neural Networks to balance between complexity and interpretability and analyzed their relative performances and reported the strongest predictors to the respective models. The participants in our study were patients with IBD selected from The OptumLabs (R) Data Warehouse (OLDW), a longitudinal, real-world data asset with de-identified administrative claims and electronic health record (EHR) data. Results We included 72,178 and 69,165 patients in the training and validation set, respectively. In total, 4.1% of patients in the validation set were hospitalized, 2.9% needed IBD-related surgeries, 17% used long-term steroids and 13% of patients were initiated with biological therapy. Of the AI models we tested, the Random Forest and LASSO resulted in high accuracies (AUCs 0.70-0.92). Our artificial neural network performed similarly well in most of the models (AUCs 0.61-0.90). Conclusions This study demonstrates feasibility of accurately predicting adverse outcomes using complex and novel AI models on large longitudinal data sets of patients with IBD. These models could be applied for risk stratification and implementation of preemptive measures to avoid adverse outcomes in a clinical setting.
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