Boosting Delirium Identification Accuracy With Sentiment-Based Natural Language Processing: Mixed Methods Study

Lu Wang   ^{1, 2} , PhD ;   Yilun Zhang   ¹ , MSc ;   Mark Chignell   ¹ , PhD ;   Baizun Shan   ¹ , MSc ;   Kathleen A Sheehan   ^{3, 4} , MSc, MD, PhD ;   Fahad Razak   ^{3, 5} , MPhil, MD ;   Amol Verma   ^{3, 5} , MPhil, MD

¹ Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada

² Department of Computer Science, Texas State University, San Marcos, TX, United States

³ GEMINI - The General Medicine Inpatient Initiative, Unity Health Toronto, Toronto, ON, Canada

⁴ Department of Psychiatry, University of Toronto, Toronto, ON, Canada

⁵ Faculty of Medicine & Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada