An Extraction Tool for Venous Thromboembolism Symptom Identification in Primary Care Notes to Facilitate Electronic Clinical Quality Measure Reporting: Algorithm Development and Validation Study

John Novoa-Laurentiev   ¹ , MS ;   Mica Bowen   ¹ , BA ;   Avery Pullman   ¹ , BS ;   Wenyu Song   ^{1, 2} , PhD ;   Ania Syrowatka   ^{1, 2} , PhD ;   Jin Chen   ³ , PhD ;   Michael Sainlaire   ¹ , MS ;   Frank Chang   ¹ , MSE ;   Krissy Gray   ⁴ , AAS ;   Purushottam Panta   ⁴ , MS ;   Luwei Liu   ¹ , MS ;   Khalid Nawab   ^{5, 6} , MD ;   Shadi Hijjawi   ^{5, 6} , MBA, MD ;   Richard Schreiber   ^{5, 7} , MD ;   Li Zhou   ^{1, 2} , MD, PhD ;   Patricia C Dykes   ^{1, 2} , RN, PhD

¹ Department of Medicine, Brigham & Women's Hospital, Boston, MA, United States

² Department of Medicine, Harvard Medical School, Boston, MA, United States

³ Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States

⁴ Department of Biomedical Informatics, University of Kentucky, Lexington, KY, United States

⁵ Department of Information Services, Penn State Health, Hershey, PA, United States

⁶ Department of Medicine, Penn State College of Medicine, Hershey, PA, United States

⁷ Department of Biomedical Informatics and Data Science, Johns Hopkins School of Medicine, Baltimore, MD, United States