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Measuring Utility Weights with VAS, TTO and EQ-5D for Severe Stomach Cancer  

Kim, Hyun-Jeong (Graduate School of Clinical Pharmacy, Sookmyung Women's University)
Rhee, Jinn-Ie (Graduate School of Health and Social Pharmacy)
Lee, Eui-Kyung (Graduate School of Clinical Pharmacy, Sookmyung Women's University)
Publication Information
YAKHAK HOEJI / v.52, no.3, 2008 , pp. 176-181 More about this Journal
Abstract
Stomach cancer shows the highest incidence among cancer patients in Korea and it deteriorates the patients' health-related quality of life considerably. This study measured utility weights of severe stomach cancer symptoms using VAS (Visual Analogue Scale), TTO (Time-trade Off) and EQ-5D (EuroQol-5 Dimension) methods. A survey questionnaire was developed to describe the symptoms of severe stomach cancer comprehensively and concisely using VAS, TTO and EQ-5D. A face-to-face interview was conducted for 21 cancer inpatients in a hospital and 25 non-patients. The mean utility weight is 0.498 for VAS, 0.375 for EQ-5D and 0.300 for TTO. Using VAS or TTO methods, there were no statistically significant differences between patients and non-patients while there was significant difference in EQ-5D. The utility weight with VAS and EQ-5D has shown similar trend - higher score in patient group, male and aged while it has opposite trend with TTO.
Keywords
utility weight; VAS; TTO; EQ-5D; stomach cancer;
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