Team-Based Health Information Exchange Use Increased Mammography Documentation and Referral in an Academic Primary Care Practice: An Interrupted Time Series

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Abstract

Background: Few studies have examined the impact of health information exchanges (HIE) on quality in ambulatory settings. Methods: From September 29, 2014, to September 4, 2015, we conducted an interrupted time series analysis of query-based use of the state HIE as part of team-based care to improve mammography screening in an academic primary care practice. Women aged 50–74 years with a practice visit and who were eligible for mammography were included. We conducted non-parametric data analysis using LOESS, followed by ARIMA analysis. Results: During the study period, there were 2020 visits among 904 eligible patients, including 648 visits among 485 patients during 16 baseline weeks, and 1372 visits by 755 patients during 33 intervention weeks. During the intervention period, 16.0% of eligible women who were not up to date in our EHR had a mammogram in the HIE. Of eligible women, the proportion who had a documented up-to-date mammogram at the time of their visit increased by 11.3%, from 73.4% at baseline to 84.7% (p < 0.0001), the proportion who had mammography addressed at the time of their visit increased by 42.7%, from 32.7% at baseline to 75.4% (p < 0.0001), and the proportion who were up to date at 8 weeks post-visit increased by 11.7%, from 76.3% at baseline to 88.0% (p < 0.0001). Discussion: Query-based use of the state HIE as part of team-based care improved documentation of mammography and led to an increase in the proportion of eligible women who received counseling on mammography screening in one primary care practice. These results suggest that HIE use in primary care could lead to improved delivery of other preventive services.

Original languageEnglish (US)
Pages (from-to)710-714
Number of pages5
JournalJournal of general internal medicine
Volume33
Issue number5
DOIs
StatePublished - May 1 2018

Keywords

  • health information exchange
  • mammography
  • preventive health services
  • primary care

ASJC Scopus subject areas

  • Internal Medicine

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