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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: velikova g. 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
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: velikova g. 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
Cross-cultural development of an item list for computer-adaptive testing of fatigue in oncological patients.
Giesinger JM, Aa Petersen M, Groenvold M, Aaronson NK, Arraras JI, Conroy T, Gamper EM, Kemmler G, King MT, Oberguggenberger AS, Velikova G, Young T, Holzner B; European Organisation for Research and Treatment of Cancer Quality of Life Group (EORTC-QLG). Giesinger JM, et al. Among authors: velikova g. Health Qual Life Outcomes. 2011 Mar 29;9:19. doi: 10.1186/1477-7525-9-19. Health Qual Life Outcomes. 2011. PMID: 21447160 Free PMC article.
Information disclosure to cancer patients: EORTC QLQ-INFO25 questionnaire.
Arraras JI, Greimel E, Chie WC, Sezer O, Bergenmar M, Costantini A, Young T, Kuljanic K, Velikova G; European Organisation for Research and Treatment of Cancer Quality of Life Group. Arraras JI, et al. Among authors: velikova g. Expert Rev Pharmacoecon Outcomes Res. 2011 Jun;11(3):281-6. doi: 10.1586/erp.11.29. Expert Rev Pharmacoecon Outcomes Res. 2011. PMID: 21671697
Comparing higher order models for the EORTC QLQ-C30.
Gundy CM, Fayers PM, Groenvold M, Petersen MA, Scott NW, Sprangers MA, Velikova G, Aaronson NK. Gundy CM, et al. Among authors: velikova g. Qual Life Res. 2012 Nov;21(9):1607-17. doi: 10.1007/s11136-011-0082-6. Epub 2011 Dec 21. Qual Life Res. 2012. PMID: 22187352 Free PMC article.
ISOQOL recommends minimum standards for patient-reported outcome measures used in patient-centered outcomes and comparative effectiveness research.
Reeve BB, Wyrwich KW, Wu AW, Velikova G, Terwee CB, Snyder CF, Schwartz C, Revicki DA, Moinpour CM, McLeod LD, Lyons JC, Lenderking WR, Hinds PS, Hays RD, Greenhalgh J, Gershon R, Feeny D, Fayers PM, Cella D, Brundage M, Ahmed S, Aaronson NK, Butt Z. Reeve BB, et al. Among authors: velikova g. Qual Life Res. 2013 Oct;22(8):1889-905. doi: 10.1007/s11136-012-0344-y. Epub 2013 Jan 4. Qual Life Res. 2013. PMID: 23288613 Review.
287 results