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- W4286900936 abstract "Health care delivery is a collaborative process, requiring close coordination among networks of providers with specialized expertise. Yet in the United States, care is often spread across multiple disconnected providers (e.g., primary care physicians, specialists), leading to fragmented care delivery networks, and contributing to higher costs and lower quality. While this problem is well known, there are relatively few quantitative tools available for characterizing care delivery networks at scale, thereby inhibiting deeper understanding of care fragmentation and efforts to address it. In this, study, we conduct a large-scale analysis of care delivery networks across the United States using the discrete Hodge decomposition, an emerging method of topological data analysis. Using this technique, we decompose networks of patient flows among physicians into three orthogonal subspaces: gradient (acyclic flow), harmonic (global cyclic flow), and curl (local cyclic flow). We document substantial variation in the relative importance of each subspace, suggesting that there may be systematic differences in the organization of care delivery networks across health care markets. Moreover, we find that the relative importance of each subspace is predictive of local care cost and quality, with outcomes tending to be better with greater curl flow and worse with greater harmonic flow." @default.
- W4286900936 created "2022-07-25" @default.
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- W4286900936 date "2021-10-18" @default.
- W4286900936 modified "2023-09-29" @default.
- W4286900936 title "Go with the Flow? A Large-Scale Analysis of Health Care Delivery Networks in the United States Using Hodge Theory" @default.
- W4286900936 doi "https://doi.org/10.48550/arxiv.2110.09637" @default.
- W4286900936 hasPublicationYear "2021" @default.
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