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Accuracy of national mortality codes in identifying adjudicated cardiovascular deaths Harriss, Linton R., Ajani, Andrew E., Hunt, David, Shaw, James, Chambers, Brian, Dewey, Helen, Frayne, Judith, Beauchamp, Alison, Duve, Karen, Giles, Graham G., Harrap, Stephen, Magliano, Dianna J., Liew, Danny, McNeil, John, Peeters, Anna, Stebbing, Margaret, Wolfe, Rory and Tonkin, Andrew 2011, Accuracy of national mortality codes in identifying adjudicated cardiovascular deaths, Australian and New Zealand journal of public health, vol. 35, no. 5, pp. 466-476. Attached Files Name Description MIMEType Size Downloads Title Accuracy of national mortality codes in identifying adjudicated cardiovascular deaths Author(s) Harriss, Linton R. Ajani, Andrew E. Hunt, David Shaw, James Chambers, Brian Dewey, Helen Frayne, Judith Beauchamp, Alison Duve, Karen Giles, Graham G. Harrap, Stephen Magliano, Dianna J. Liew, Danny McNeil, John Peeters, Anna Stebbing, Margaret Wolfe, Rory Tonkin, Andrew Journal name Australian and New Zealand journal of public health Volume number 35 Issue number 5 Start page 466 End page 476 Total pages 11 Publisher Wiley - Blackwell Publishing Asia Place of publication Richmond, Vic. Publication date 2011-10 ISSN 1326-0200 1753-6405 Keyword(s) cardiovascular disease coronary heart disease stroke validity medical record Summary Objective: This study investigated the sensitivity and specificity of the national mortality codes in identifying cardiovascular disease (CVD) deaths and documents methods of verification. Methods: A 12-year retrospective case ascertainment of all ICD-coded CVD deaths was performed for deaths between 1990 and 2002 in the Melbourne Collaborative Cohort Study, comprising 41,528 subjects. Categories of non-CVD codes were also examined. Stratified samples of 750 deaths were adjudicated from a total of 2,230 deaths. Expert panels of cardiologists and neurologists adjudicated deaths. Results: Of the 750 deaths adjudicated, 582 were verified as CVD [392 coronary heart disease (CHD) and 92 stroke] and 168 non-CVD. Estimated sensitivity and specificity of national mortality codes for identifying specific causes of death were: CHD 74.2% (95% CI: 69.8–78.5%) and 97.6% (96.0–99.2%), respectively; myocardial infarction 59.9% (50.9–69.0%) and 94.2% (92.4–96.0%), respectively; haemorrhagic stroke 58.9% (46.0–71.7%) and 99.8% (99.4–100.0%), respectively and; ischaemic stroke 38.7% (20.5–56.9%) and 99.9% (99.6–100.0%), respectively. Misclassification was most common for deaths with primary ICD codes for endocrine-metabolic and genito-urinary diseases. Conclusions: National mortality coding under-estimated the true proportion of CHD and stroke deaths in the cohort by 13.6% and 50.8%, respectively. Language eng Field of Research 119999 Medical and Health Sciences not elsewhere classified Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences HERDC Research category C1.1 Refereed article in a scholarly journal Copyright notice ©2011, Wiley-Blackwell Publishing Asia Persistent URL http://hdl.handle.net/10536/DRO/DU:30046464 Document type: Journal Article Collection: Population Health Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Tue, 31 Jul 2012, 11:19:21 EST Wed, 30 Jan 2013, 12:39:33 EST Wed, 30 Jan 2013, 12:42:52 EST Mon, 30 Jun 2014, 16:03:53 EST Filtered Full Citation counts:   Cited 8 times in TR Web of Science Cited 8 times in Scopus Search Google Scholar Access Statistics: 70 Abstract Views, 3 File Downloads  -  Detailed Statistics Created: Tue, 31 Jul 2012, 11:19:21 EST

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