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Social network analysis of patient sharing among hospitals in Orange County, California.

Lee, BY and McGlone, SM and Song, Y and Avery, TR and Eubank, S and Chang, CC and Bailey, RR and Wagener, DK and Burke, DS and Platt, R and Huang, SS (2011) Social network analysis of patient sharing among hospitals in Orange County, California. American journal of public health, 101 (4). 707 - 713.

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Abstract

We applied social network analyses to determine how hospitals within Orange County, California, are interconnected by patient sharing, a system which may have numerous public health implications. Our analyses considered 2 general patient-sharing networks: uninterrupted patient sharing (UPS; i.e., direct interhospital transfers) and total patient sharing (TPS; i.e., all interhospital patient sharing, including patients with intervening nonhospital stays). We considered these networks at 3 thresholds of patient sharing: at least 1, at least 10, and at least 100 patients shared. Geographically proximate hospitals were somewhat more likely to share patients, but many hospitals shared patients with distant hospitals. Number of patient admissions and percentage of cancer patients were associated with greater connectivity across the system. The TPS network revealed numerous connections not seen in the UPS network, meaning that direct transfers only accounted for a fraction of total patient sharing. Our analysis demonstrated that Orange County's 32 hospitals were highly and heterogeneously interconnected by patient sharing. Different hospital populations had different levels of influence over the patient-sharing network.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Lee, BYbyl1@pitt.eduBYL1
McGlone, SM
Song, Y
Avery, TR
Eubank, S
Chang, CC
Bailey, RR
Wagener, DK
Burke, DSdonburke@pitt.eduDONBURKE
Platt, R
Huang, SS
Centers: Other Centers, Institutes, Offices, or Units > Center for Vaccine Research
Date: 1 April 2011
Date Type: Publication
Journal or Publication Title: American journal of public health
Volume: 101
Number: 4
Page Range: 707 - 713
DOI or Unique Handle: 10.2105/ajph.2010.202754
Schools and Programs: School of Public Health > Epidemiology
Refereed: Yes
Date Deposited: 07 May 2015 19:40
Last Modified: 02 Feb 2019 16:57
URI: http://d-scholarship.pitt.edu/id/eprint/24394

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