Automating Stroke Data Extraction From Free-Text Radiology Reports Using Natural Language Processing: Instrument Validation Study

Amy Y X Yu   ¹ , MD ;   Zhongyu A Liu   ¹ , MD ;   Chloe Pou-Prom   ² , MSc ;   Kaitlyn Lopes   ¹ , BSc ;   Moira K Kapral   ³ , MD ;   Richard I Aviv   ⁴ , MBChB ;   Muhammad Mamdani   ⁵ , MA, MPH, PharmD

¹ Department of Medicine (Neurology), University of Toronto – Sunnybrook Health Sciences Centre, Toronto, ON, Canada

² Unity Health Toronto, Toronto, ON, Canada

³ Department of Medicine (General Internal Medicine), University of Toronto – University Health Network, Toronto, ON, Canada

⁴ Department of Radiology, Division of Neuroradiology, University of Ottawa, Ottawa, ON, Canada

⁵ Department of Medicine, Unity Health Toronto, University of Toronto, Toronto, ON, Canada