Acad Radiol 2021 Nov 30. Epub 2021 Nov 30.
Department of Radiology (J.G.J.), University of Washington, 1959 NE Pacific Street, Seattle WA 98195; Department of Neurological Surgery (J.G.J.), University of Washington, Seattle, Washington; Department of Health Services (J.G.J.), University of Washington, Seattle Washington; Clinical Learning, Evidence And Research Center (J.G.J.), University of Washington, Seattle, Washington. Electronic address:
Rationale And Objectives: The use of natural language processing (NLP) in radiology provides an opportunity to assist clinicians with phenotyping patients. However, the performance and generalizability of NLP across healthcare systems is uncertain. We assessed the performance within and generalizability across four healthcare systems of different NLP representational methods, coupled with elastic-net logistic regression to classify lower back pain-related findings from lumbar spine imaging reports. Read More