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Báo cáo y học: "Discriminant validity, responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey (WPS-RA)"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Discriminant validity, responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey (WPS-RA). | Available online http arthritis-research.eom content 11 3 R73 Research article Discriminant validity responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey WPS-RA Jane T Osterhaus1 Oana Purcaru2 and Lance Richard3 Open Access 1Wasatch Health Outcomes 2613 Silver Cloud Drive Park City UT 84060 USA 2Global Health Outcomes Research UCB Pharma Chemin du Foriest 1420 Braine-l Alleud Belgium 3Global Health Outcomes Research UCB Pharma 208 Bath Road Slough Berkshire SL1 3WE UK Corresponding author Jane T Osterhaus JTOsterhaus@Mindspring.com Received 18 Dec 2008 Revisions requested 17 Mar 2009 Revisions received 8 Apr 2009 Accepted 20 May 2009 Published 20 May 2009 Arthritis Research Therapy 2009 11 R73 doi 10.1186 ar2702 This article is online at http arthritis-research.com content 11 3 R73 2009 Osterhaus 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 Introduction The rheumatoid arthritis-specific Work Productivity Survey WPS-RA measures the impact of rheumatoid arthritis RA and treatment on patient productivity within and outside the home. It contains nine questions addressing employment status productivity within and outside the home and daily activities. The objective of this paper was to evaluate the discriminant validity responsiveness and reliability of the WPS-RA in patients with active RA. Methods Two hundred twenty subjects mean age was 53.8 years 83.6 were female mean disease duration was 9.54 years mean number of disease-modifying anti-rheumatic drugs failed was 2 and 38.6 were employed outside the home in a phase III 24-week double-blind placebo-controlled trial completed the WPS-RA at baseline and every 4 weeks until withdrawal study completion. Validity was .