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Urologist Ownership of Ambulatory Surgery Centers and Urinary Stone Surgery Use

dc.contributor.authorHollingsworth, John M.en_US
dc.contributor.authorYe, Zaojunen_US
dc.contributor.authorStrope, Seth A.en_US
dc.contributor.authorKrein, Sarah L.en_US
dc.contributor.authorHollenbeck, Ann T.en_US
dc.contributor.authorHollenbeck, Brent K.en_US
dc.date.accessioned2010-06-01T21:33:35Z
dc.date.available2010-06-01T21:33:35Z
dc.date.issued2009-08en_US
dc.identifier.citationHollingsworth, John M.; Ye, Zaojun; Strope, Seth A.; Krein, Sarah L.; Hollenbeck, Ann T.; Hollenbeck, Brent K. (2009). "Urologist Ownership of Ambulatory Surgery Centers and Urinary Stone Surgery Use." Health Services Research 44(4): 1370-1384. <http://hdl.handle.net/2027.42/74612>en_US
dc.identifier.issn0017-9124en_US
dc.identifier.issn1475-6773en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/74612
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=19490161&dopt=citationen_US
dc.description.abstractTo understand how physician ownership of ambulatory surgery centers (ASCs) relates to surgery use. Data Source . Using the State Ambulatory Surgery Databases, we identified patients undergoing outpatient surgery for urinary stone disease in Florida (1998–2002). Study Design . We empirically derived a measure of physician ownership and externally validated it through public data. We employed linear mixed models to examine the relationship between ownership status and surgery use. We measured how a urologist's surgery use varied by the penetration of owners within his local health care market. Principal Findings . Owners performed a greater proportion of their surgeries in ASCs than nonowners (39.6 percent versus 8.0 percent, p <.001), and their utilization rates were over twofold higher (  p <.001). After controlling for patient differences, an owner averaged 16.32 (95 percent confidence interval [CI], 10.98–21.67; p <.001) more cases annually than did a nonowner. Further, for every 10 percent increase in the penetration of owners within a urologist's local health care market, his annual caseload increased by 3.32 (95 percent CI, 2.17–4.46; p <.001). Conclusions . These data demonstrate a significant association between physician ownership of ASCs and increased surgery use. While its interpretation is open to debate, one possibility relates to the financial incentives of ownership. Additional work is necessary to see if this is a specialty-specific phenomenon.en_US
dc.format.extent138592 bytes
dc.format.extent3109 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.publisherBlackwell Publishing Incen_US
dc.rights© 2009 Health Research and Education Trusten_US
dc.subject.otherOwnershipen_US
dc.subject.otherAmbulatory Surgery Centeren_US
dc.subject.otherUtilizationen_US
dc.subject.otherPhysicians' Practice Patternsen_US
dc.titleUrologist Ownership of Ambulatory Surgery Centers and Urinary Stone Surgery Useen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPublic Healthen_US
dc.subject.hlbtoplevelHealth Sciencesen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Urology, University of Michigan, 1032B Michigan House, 2301 Commonwealth Blvd., SPC 2967, Ann Arbor, MI 48105–2967 ;en_US
dc.contributor.affiliationumUniversity of Michigan, Ann Arbor, MI. Zaojun Ye, M.S., Biostatistician ;en_US
dc.contributor.affiliationumDepartment of Urology, The University of Michigan, Ann Arbor, MI ;en_US
dc.contributor.affiliationotherDepartment of Internal Medicine, Ann Arbor, MI anden_US
dc.contributor.affiliationotherDetroit, MI.en_US
dc.identifier.pmid19490161en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/74612/1/j.1475-6773.2009.00966.x.pdf
dc.identifier.doi10.1111/j.1475-6773.2009.00966.xen_US
dc.identifier.sourceHealth Services Researchen_US
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dc.owningcollnameInterdisciplinary and Peer-Reviewed


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