Reliability of FACT-BL Questionnaire of Thai Version in Quality of Life Evaluation of Bladder Cancer Patients
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Date
2010-10-05
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Faculty of Medicine, Khon Kaen University
Abstract
Background and objective: The Functional Assessment of Cancer Therapy for patients with Bladder cancer (FACT-BL) is a well known quality of life assessment tool for bladder cancer patients in many countries but it has not been used in Thailand. The objective of this study was to test the FACT-BL questionnaire, Thai version, for reliability, in Thai bladder cancer patients.Methods: After the questionnaire translation following the instruction, this descriptive study was conducted between November 2008 and March 2009 in 45 bladder cancer patients who were treated at a university hospital between 1992-2007 and preferred to answer the questionnaire. Reliability of the questionnaire was analyzed by using the internal consistency coefficient and item-total correlation, as well as discrimination by using the t-test.Results: The internal consistency coefficient of this translated FACT-BL questionnaire was 0.88 whereas the subscale of physical well-being (PWB), social/family well-being (SWB), emotion well-being (EWB), functional well-being (FWB), and bladder cancer specific (BCS) were . 0.84, 0.76, 0.87, 0.92, and 0.59 respectively. Most of individual items were correlated with the corresponding group and had the power of discrimination also (p\< 0.05).Conclusion: FACT-BL questionnaire of Thai version has reliability, can be used for evaluating quality of life in Thai bladder cancer patients.Key words: Reliability, FACT-BL questionnaire, quality of life, bladder cancer patients
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Srinagarind Medical Journal (SMJ); Vo. 25 No. 3 July - September 2010; 179-184