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báo cáo hóa học:" Assessment of health-related quality of life in arthritis: conceptualization and development of five item banks using item response theory"

Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học đề tài : Assessment of health-related quality of life in arthritis: conceptualization and development of five item banks using item response theory | BioMed Central Health and Quality of Life Outcomes Research Assessment of health-related quality of life in arthritis conceptualization and development of five item banks using item response theory Jacek A Kopec 1 2 Eric C Sayre2 3 Aileen M Davis4 Elizabeth M Badley5 Michal Abrahamowicz6 Lesley Sherlock2 J Ivan Williams7 Aslam H Anis1 2 and John M Esdaile2 8 Open Access Address Department of Health Care and Epidemiology University of British Columbia Vancouver BC Canada 2Arthritis Research Centre of Canada Vancouver BC Canada 3Department of Statistics and Actuarial Science Simon Fraser University Burnaby BC Canada 4Outcomes and Population Health Toronto Western Research Institute Toronto Ontario Canada 5Department of Public Health Sciences University of Toronto Toronto Ontario Canada department of Epidemiology and Biostatistics McGill University Montreal Quebec Canada 7Toronto Rehabilitation Institute Toronto Ontario Canada and division of Rheumatology University of British Columbia Vancouver BC Canada Email Jacek A Kopec - jkopec@arthritisresearch.ca Eric C Sayre - esayre@arthritisresearch.ca Aileen M Davis - adavis@uhnresearch.ca Elizabeth M Badley - e.badley@utoronto.ca Michal Abrahamowicz - Michal@epimgh.mcgill.ca Lesley Sherlock - lsherlock@richmond.ca J Ivan Williams - williams.jack@torontorehab.on.ca Aslam H Anis - aslam.anis@ubc.ca John M Esdaile - jesdaile@arthritisresearch.ca Corresponding author Published 02 June 2006 Received 08 April 2006 Health and Quality of Life Outcomes 2006 4 33 doi 10.1186 1477-7525-4-33 Accepted 02 June 2006 This article is available from http www.hqlo.com content 4 1 33 2006 Kopec et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.Org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Modern psychometric methods based