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Such coordination is inherently challenging, as large multidisciplinary teams, or teams-of-teams, of HCPs jointly manage complex patient care. These teams-of-teams naturally fit under the Multiteam System (MTS) framework, where evidence suggests that both stronger within- and between-team communication improves overall team performance. Yet little is known how about these patterns of information sharing mediated through the EHR correlate with patient outcomes. We extracted over 53.9 million EHR access logs for 482 patients to construct novel within- and between-team information sharing measures which were then used to predict future emergency department (ED) visits and hospitalizations admitted through the ED. These network measures showed both statistical and practical significance, suggesting that this modifiable dimension of teamwork-information sharing through the EHR-could reduce acute care utilization.<\/jats:p>","DOI":"10.64898\/2026.09.22.26362777","type":"posted-content","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T03:10:15Z","timestamp":1790219415000},"source":"Crossref","is-referenced-by-count":0,"title":["Protective Effects of Increased EHR-Mediated Information Sharing Within- and Between-Healthcare Teams on Patient Outcomes"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4511-9481","authenticated-orcid":false,"given":"Shin-Ping","family":"Tu","sequence":"first","affiliation":[{"name":"University of California Davis, Sacramento, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9238-4026","authenticated-orcid":false,"given":"Daniel","family":"Sewell","sequence":"additional","affiliation":[{"name":"University of Iowa, Iowa City, Iowa, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5351-3545","authenticated-orcid":false,"given":"Brittany","family":"Garcia","sequence":"additional","affiliation":[{"name":"University of California Davis, Sacramento, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quinn Stoddard","family":"O\u2019Neill","sequence":"additional","affiliation":[{"name":"University of Iowa, Iowa City, Iowa, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4264-1258","authenticated-orcid":false,"given":"Michael","family":"Hogarth","sequence":"additional","affiliation":[{"name":"University of San Diego, La Jolla, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6292-8950","authenticated-orcid":false,"given":"Marissa","family":"Shuffler","sequence":"additional","affiliation":[{"name":"Clemson University, Clemson, South Carolina, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0944-5906","authenticated-orcid":false,"given":"Aaron","family":"Boussina","sequence":"additional","affiliation":[{"name":"University of San Diego, La Jolla, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-8372-1180","authenticated-orcid":false,"given":"Helen","family":"Chew","sequence":"additional","affiliation":[{"name":"University of California Davis, Sacramento, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6035-6565","authenticated-orcid":false,"given":"David","family":"Cooke","sequence":"additional","affiliation":[{"name":"University of California Davis, Sacramento, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6749-3979","authenticated-orcid":false,"given":"Patrick","family":"Romano","sequence":"additional","affiliation":[{"name":"University of California Davis, Sacramento, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7311-6835","authenticated-orcid":false,"given":"Joann","family":"Elmore","sequence":"additional","affiliation":[{"name":"University of California Los Angeles, Los Angeles, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9004-7528","authenticated-orcid":false,"given":"Alan","family":"Dow","sequence":"additional","affiliation":[{"name":"Virginia Commonwealth University, Richmond, Virginia, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2194-7327","authenticated-orcid":false,"given":"Xi","family":"Zhu","sequence":"additional","affiliation":[{"name":"University of California Los Angeles, Los Angeles, California, U.S.A"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"54368","reference":[{"key":"2026092603200537000_2026.09.22.26362777v1.1","unstructured":"Office of the national coordinator for health information technology. 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