Analysis of the U.S. patient referral network.
Analysis of the U.S. patient referral network.
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DOI:
10.1002/sim.7565
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发表时间:
2018-02-28
影响因子:
2
通讯作者:
Stock CD
中科院分区:
文献类型:
--
作者:
An C;O'Malley AJ;Rockmore DN;Stock CD
In this paper we analyze the US Patient Referral Network (also called the Shared Patient Network) and various subnetworks for the years 2009–2015. In these networks two physicians are linked if a patient encounters both of them within a specified time-interval, according to the data made available by the Centers for Medicare and Medicaid Services. We find power law distributions on most state-level data as well as a core-periphery structure. On a national and state level, we discover a so-called small-world structure as well as a “gravity law" of the type found in some large-scale economic networks. Some physicians play the role of hubs for interstate referral. Strong correlations between certain network statistics with healthcare system statistics at both the state and national levels are discovered. The patterns in the referral network evinced using several statistical analyses involving key metrics derived from the network illustrate the potential for using network analysis to provide new insights into the healthcare system and opportunities or mechanisms for catalyzing improvements.
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