• J Am Board Fam Med · Jan 2021

    Electronic Health Record Algorithm Development for Research Subject Recruitment Using Colonoscopy Appointment Scheduling.

    • Jeanette M Daly, Kim Parang, and Barcey T Levy.
    • From the Department of Family Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA (JMD, KP, BTL); Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, IA (BTL).
    • J Am Board Fam Med. 2021 Jan 1; 34 (1): 49-60.

    IntroductionElectronic health records (EHRs) are often leveraged in medical research to recruit study participants efficiently. The purpose of this study was to validate and refine the logic of an EHR algorithm for identifying potentially eligible participants for a comparative effectiveness study of fecal immunochemical tests (FITs), using colonoscopy as the standard.MethodsAn Epic report was built to identify patients who met the eligibility criteria to recruit patients having a screening or surveillance colonoscopy. With the goal of maximizing the number of potentially eligible patients that could be recruited, researchers, with the assistance of information technology and scheduling staff, developed the algorithm for identifying potential subjects in the EHR. Two validation methods, descriptive statistics and manual verification, were used.ResultsThe algorithm was refined over 3 iterations leading to the following criteria being used for generating the report: Age, Appointment Made On/Cancel Date, Appointment Procedure, Contact Type, Date Range, Encounter Departments, ICD-10 codes, and Patient Type. Appointment Serial Number/Contact Serial Number were output fields that allowed the tracking of cancellations and reschedules.ConclusionDevelopment of an EHR algorithm saved time in that most individuals ineligible for the study were excluded before patient medical record review. Running daily reports that included cancellations and rescheduled appointments allowed for maximum recruitment in a time frame appropriate for the use of the FITs. This algorithm demonstrates that refining the algorithm iteratively and adding cancellations and reschedules of colonoscopies increased the accuracy of reaching all potential patients for recruitment.© Copyright 2021 by the American Board of Family Medicine.

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