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Systematic Identification of Caregivers of Patients Living With Dementia in the Electronic Health Record: Known Contacts and Natural Language Processing Cohort Study

Systematic Identification of Caregivers of Patients Living With Dementia in the Electronic Health Record: Known Contacts and Natural Language Processing Cohort Study

For example, we can see “John Smith” is listed as an emergency contact, and he is also listed as “patient’s son” in appointment notes, and he sent a portal message on behalf of the patient signed by “John.” We used PRX Perl (SAS Institute) regular expression features, a software program in SAS (version 9.04; SAS Institute, Inc) to review the 5 words before and after a caregiver term to match names of known contacts within proximity of the key term.

Daniel Martin, Jason Lyons, J David Powers, Andrea E Daddato, Rebecca S Boxer, Elizabeth Bayliss, Jennifer Dickman Portz

J Med Internet Res 2025;27:e63654