期刊
AMERICAN JOURNAL OF PUBLIC HEALTH
卷 101, 期 4, 页码 707-713出版社
AMER PUBLIC HEALTH ASSOC INC
DOI: 10.2105/AJPH.2010.202754
关键词
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资金
- National Institute General Medical Sciences Models of Infectious Disease Agent Study [1U54GM088491-0109, 1U01 GM076672]
- National Institutes of Health [K23AI64161]
Objectives. 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. Methods. 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. Results. 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. Conclusions. 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. (Am J Public Health. 2011;101:707-713. doi:10.2105/AJPH.2010.202754)
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