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Item response theory was used to shorten EORTC QLQ-C30 scales for use in palliative care.
Petersen MA, Groenvold M, Aaronson N, Blazeby J, Brandberg Y, de Graeff A, Fayers P, Hammerlid E, Sprangers M, Velikova G, Bjorner JB; European Organisation for Research and Treatment of Cancer Quality of Life Group. Petersen MA, et al. Among authors: groenvold m. J Clin Epidemiol. 2006 Jan;59(1):36-44. doi: 10.1016/j.jclinepi.2005.04.010. Epub 2005 Sep 12. J Clin Epidemiol. 2006. PMID: 16360559
Differential item functioning (DIF) in the EORTC QLQ-C30: a comparison of baseline, on-treatment and off-treatment data.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Gundy C, Koller M, Petersen MA, Sprangers MA; EORTC Quality of Life Group and the Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: groenvold m. Qual Life Res. 2009 Apr;18(3):381-8. doi: 10.1007/s11136-009-9453-7. Epub 2009 Feb 27. Qual Life Res. 2009. PMID: 19247808
Development of computerised adaptive testing (CAT) for the EORTC QLQ-C30 dimensions - general approach and initial results for physical functioning.
Petersen MA, Groenvold M, Aaronson NK, Chie WC, Conroy T, Costantini A, Fayers P, Helbostad J, Holzner B, Kaasa S, Singer S, Velikova G, Young T; EORTC Quality of Life Group. Petersen MA, et al. Among authors: groenvold m. Eur J Cancer. 2010 May;46(8):1352-8. doi: 10.1016/j.ejca.2010.02.011. Epub 2010 Mar 16. Eur J Cancer. 2010. PMID: 20231085
The EORTC computer-adaptive tests measuring physical functioning and fatigue exhibited high levels of measurement precision and efficiency.
Petersen MA, Aaronson NK, Arraras JI, Chie WC, Conroy T, Costantini A, Giesinger JM, Holzner B, King MT, Singer S, Velikova G, Verdonck-de Leeuw IM, Young T, Groenvold M; EORTC Quality of Life Group. Petersen MA, et al. Among authors: groenvold m. J Clin Epidemiol. 2013 Mar;66(3):330-9. doi: 10.1016/j.jclinepi.2012.09.010. J Clin Epidemiol. 2013. PMID: 23347855
Development of an item bank for computerized adaptive test (CAT) measurement of pain.
Petersen MA, Aaronson NK, Chie WC, Conroy T, Costantini A, Hammerlid E, Hjermstad MJ, Kaasa S, Loge JH, Velikova G, Young T, Groenvold M. Petersen MA, et al. Among authors: groenvold m. Qual Life Res. 2016 Jan;25(1):1-11. doi: 10.1007/s11136-015-1069-5. Epub 2015 Aug 13. Qual Life Res. 2016. PMID: 26267524 Free article.
236 results