1363. Electronic data sharing between public health department and clinical providers improves accuracy of HIV retention data
Session: Poster Abstract Session: HIV Care Continuum
Friday, October 6, 2017
Room: Poster Hall CD
  • IDweek 2017 D2C Final.pdf (188.7 kB)
  • Background: Retention in care is critical for treatment and prevention of HIV. Many HIV care clinics measure retention rate, but data are often incomplete for patients who are classified as lost to follow-up but may be actually in care elsewhere, moved, or died. The Data to Care (D2C) initiative supports data sharing between health departments and HIV providers to confirm patient care status and facilitate reengagement efforts for out of care HIV patients.

    Methods: The University of Chicago Medicine (UCM) provided an electronic list to the Chicago Department of Public Health (CDPH) of adult HIV-positive patients whose retention status was not certain. Retention in care was defined as at least 2 visits >90 days apart within the prior 12 months. CDPH matched this list of patients with data from the Chicago electronic HIV surveillance database. Matches were based on patient name, including alternative spellings and phonetics, and birth date. CDPH also cross-checked patient names with the CDC’s national enhanced HIV-AIDS Reporting System (eHARS) database. CDPH provided UCM with patient current care status, i.e. patient was in care elsewhere (as verified by lab data), moved out of state, or deceased.

    Results: 780 HIV-positive patients received care in the UCM adult HIV clinic from January 1, 2013 to March 31, 2017. Of these, 360 were retained in care as of March 2017. We shared data with CDPH for 492 patients. Of these, 294 (59.8%) were matched, and 168 (34.1%) had a date of last medical care provided. See Table 1 for patient dispositions, before and after data sharing. 24 (13.4%) of patients believed to be lost to follow up according to UCM records were confirmed either transferred care or deceased according to health department data.

    Conclusion: Data sharing between the health department and HIV providers can improve data accuracy regarding retention in care among people living with HIV.

    Table 1. HIV Patient disposition data before and after data sharing with health department

    Patient disposition

    Before data sharing, n (%)

    After data sharing, n (%)

    Currently in care at UCM

    360 (46.2%)

    360 (46.2%)


    139 (17.8%)

    143 (18.3%)


    63 (8.1%)

    83 (10.6%)


    1 (0.1%)

    1 (0.1%)

    Moved out of jurisdiction

    39 (5.0%)

    39 (5.0%)

    Lost to follow up

    178 (22.8%)

    154 (19.7%)

    Jessica P. Ridgway, MD, MS1, Jessica Schmitt, MSW2, Ellen Almirol, MPH, MAMS1, Monique Millington, MPH3, Erika Harding, MPH3 and David Pitrak, MD, FIDSA1, (1)Section of Infectious Diseases and Global Health, University of Chicago Medicine, Chicago, IL, (2)Medicine, University of Chicago Medicine, Biological Sciences Division, Chicago, IL, (3)Chicago Department of Public Health, Chicago, IL


    J. P. Ridgway, Gilead FOCUS: Grant Investigator , Grant recipient

    J. Schmitt, None

    E. Almirol, None

    M. Millington, None

    E. Harding, None

    D. Pitrak, Gilead Sciences FOCUS: Grant Investigator , Grant recipient

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