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Abstract Details

Development and validation of a novel model for characterizing migraine outcomes within electronic health records utilizing artificial intelligence
Headache
P8 - Poster Session 8 (11:45 AM-12:45 PM)
2-003

To define and validate the accuracy of a scalable framework model using electronic health record (EHR) data to measure migraine treatment and prevention outcomes by using artificial intelligence (AI).

In disease areas such as migraine that report subjective measures (ie. severity, descriptors, etc.) as outcomes, extraction and validation of real-world evidence (RWE) from EHRs can be challenging. Information required to assess migraine endpoints used in clinical trials are not consistently captured in routine care, limiting the utility of these previously defined endpoints in RWE studies. 

Headache specialists defined clinical features found in routinely collected data. EHR data were reviewed by two clinical annotators to create a manual reference standard for features included in the migraine outcome model. Data elements were weighted to define a 10-point scale incorporating headache severity (1–7 points) and associated features (0–3 points). Automation (i.e., AI) extracted features from patient encounters and compared to the reference standard. A 70% agreement threshold (within 1 point) between the human annotator and the automated score was considered sufficient extraction accuracy. AI accuracy in identifying features used to construct the outcome model success was defined as reaching an F1 score of 80% for identifying encounters.

From a total of 2,006 encounters, 11 features were included in the model; average automated extraction F1 scores were 92.0% when applied to unstructured data. Automated extraction model scores matched for 77.2% of encounters exactly and were a within 1 point close match for 82.2%, compared with manual extraction scores—well above the 70% match threshold.

These data indicate feasibility of AI generated models to generate migraine outcome scores using features commonly captured in real-world settings with high accuracy, providing a scalable approach to EHR-based clinical studies to support migraine prevention and treatment.

Authors/Disclosures
Carlton Anderson, PhD
PRESENTER
Mr. Anderson has nothing to disclose.
Steven Kymes Steven Kymes has received personal compensation for serving as an employee of Lundbeck. Steven Kymes has received personal compensation in the range of $0-$499 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for American Journal of Ophthalmology. Steven Kymes has received research support from Emmes Corporation.
Roger Cady, MD (RK Consulting, LLC) Dr. Cady has received personal compensation for serving as an employee of Lundbeck. Dr. Cady has stock in Alder Biopharmaceutical.
Nada A. Hindiyeh, MD (Stanford University Medical Center) Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Eli Lilly. Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Eli Lilly. Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alder/Lundbeck. Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Amgen. Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Impel. Dr. Hindiyeh has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lundbeck .
No disclosure on file
No disclosure on file