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Informatics Research Seminar: Phenotypes for Diabetes in Research Using E.H.R. data

August 30, 2017 @ 4:00 pm - 5:00 pm EDT

Speaker: Susan Spratt, MD
Presented from Duke Unversity

Broadcast Link: Seminar

Seminar Abstract:      

Because different diabetes phenotype definitions are based on three components (ICD codes, laboratory tests, and medications) which in turn can be assembled differently based on frequency and timing, these phenotypes can identify different cohorts and numbers of patients with diabetes. The prevalence of diabetes in Durham County, North Carolina, varies from 7 to 13% depending on the specific EHR-based diabetes phenotype definition used. Using the gold standard of clinical chart review, we assessed the sensitivity and specificity of 8 different phenotypes. We will discuss these results and what components may have caused a false positive identification of diabetes and how to mitigate those in future phenotype developments. An understanding of how cohorts of patients are identified is essential to compare population health, quality improvement, and other research projects involving any disease not just diabetes.



Susan E. Spratt, MD is an Associate Professor of Medicine in the Division of Endocrinology, Metabolism, and Nutrition at Duke University Health System. She is the Director of Diabetes Services, where she supports community programs interested in improving diabetes care. She is the diabetes Medical Advisor to DukeWell and leads the virtual rounds for high risk patients with diabetes. She is a certified Epic Physician Builder and Analytics Builder and a Physician Champion for Maestro Care, the Electronic Health Record (EHR) powered by Epic of Verona, WI.  Her research interests include defining high risk diabetes populations and implementing proven disease prevention or progression strategies into clinical care using community, educational, and E.H.R. techniques to push quality high value care.  Dr. Spratt has created innovative tools to assist her patients in getting and staying healthy.  Visit her salad website at www.sprattsalads.com and listen to her Healthy Bites Diabetes Podcasts, coming soon from DukeWell.


For a complete seminar schedule, visit the DCHI website:




CEU Credit:

In support of improving patient care, the Duke University Health System Department of Clinical Education and Professional Development is accredited by the American Nurses Credentialing Center (ANCC), the Accreditation Council for Pharmacy Education (ACPE), and the Accreditation Council for Continuing Medical Education (ACCME), to provide continuing education for the health care team.

Duke University Health System Department of Clinical Education and Professional Development designates this live activity for 1 Credit.


Duke:  Hock Auditorium – Hock Plaza 2424 Erwin Road, Durham, NC 27705
UNC-Chapel Hill:  Health Science Library, Room 227
NCCU-Durham:  Room 364, James E. Shepard Memorial Library
UNC-Charlotte:  Fretwell 126
ECU-Greenville:  Health Sciences Building, Room 1355

Parking at Duke:

A printed, bar coded parking pass is required for entry to and exit from the garage. Parking passes must be requested at least 48 hours in advance of the seminar.  Email healthinformatics@duke.edu  to request a parking pass. The pass will be emailed to you in PDF format and must be printed for scanning at the gate. The system will not scan bar codes from smartphones.

After parking, proceed to the 4th Floor of the parking garage and exit across the driveway to enter the building lobby.  Sign in at the desk; take the elevator down to the ground floor to Hock Auditorium.  (Exit left off the elevator and walk down the hall, the auditorium will be on your right.)

Questions: healthinformatics@duke.edu


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August 30, 2017
4:00 pm - 5:00 pm
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