Surveillance of ischemic heart disease should include physician billing claims: population-based evidence from administrative health data across seven Canadian provinces

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dc.contributor.authorRobitaille, Cynthia
dc.contributor.authorBancej, Christina
dc.contributor.authorDai, Sulan
dc.contributor.authorTu, Karen
dc.contributor.authorRasali, Drona
dc.contributor.authorBlais, Claudia
dc.contributor.authorPlante, Céline
dc.contributor.authorSmith, Mark
dc.contributor.authorSvenson, Lawrence W
dc.contributor.authorReimer, Kim
dc.contributor.authorCasey, Jill
dc.contributor.authorPuchtinger, Rolf
dc.contributor.authorJohansen, Helen
dc.contributor.authorGurevich, Yana
dc.contributor.authorWaters, Chris
dc.contributor.authorLix, Lisa M
dc.contributor.authorQuan, Hude
dc.date.accessioned2013-10-31T20:09:28Z
dc.date.available2013-10-31T20:09:28Z
dc.date.issued2013-10-20
dc.date.updated2013-10-31T20:09:29Z
dc.description.abstractAbstract Background Canadian provinces and territories routinely collect health information for administrative purposes. This study used Canadian medical and hospital administrative data for population-based surveillance of diagnosed ischemic heart disease (IHD). Methods Hospital discharge abstracts and physician billing claims data from seven provinces were analyzed to estimate prevalence and incidence of IHD using three validated algorithms: a) one hospital discharge abstract with an IHD diagnosis or procedure code (1H); b) 1H or at least three physician claims within a one-year period (1H3P) and c) 1H or at least two physician claims within a one-year period (1H2P). Crude and age-standardized prevalence and incidence rates were calculated for Canadian adults aged 20 +. Results IHD prevalence and incidence varied by province, were consistently higher among males than females, and increased with age. Prevalence and incidence were lower using the 1H method compared to using the 1H2P or 1H3P methods in all provinces studied for all age groups. For instance, in 2006/07, crude prevalence by province ranged from 3.4%-5.5% (1H), from 4.9%-7.7% (1H3P) and from 6.0%-9.2% (1H2P). Similarly, crude incidence by province ranged from 3.7-5.9 per 1,000 (1H), from 5.0-6.9 per 1,000 (1H3P) and from 6.1-7.9 per 1,000 (1H2P). Conclusions Study findings show that incidence and prevalence of diagnosed IHD will be underestimated by as much as 50% using inpatient data alone. The addition of physician claims data are needed to better assess the burden of IHD in Canada.
dc.description.versionPeer Reviewed
dc.identifier.citationBMC Cardiovascular Disorders. 2013 Oct 20;13(1):88
dc.identifier.doihttp://dx.doi.org/10.1186/1471-2261-13-88
dc.identifier.urihttp://hdl.handle.net/1993/22246
dc.language.rfc3066en
dc.rightsopen accessen_US
dc.rights.holderCynthia Robitaille et al.; licensee BioMed Central Ltd.
dc.titleSurveillance of ischemic heart disease should include physician billing claims: population-based evidence from administrative health data across seven Canadian provinces
dc.typeJournal Article
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