• S Kaasa, K Bjordal, N Aaronson, T Moum, E Wist, S Hagen, and A Kvikstad.
• Department of Oncology, Trondheim University Hospital, Norway.
• Eur. J. Cancer. 1995 Dec 1; 31A (13-14): 2260-3.

AbstractThe EORTC Core Quality of Life questionnaire (EORTC QLQ-C30) is designed to measure cancer patients' physical, psychological and social functions. The questionnaire is composed of multi-item scales and single items. 247 patients completed the EORTC QLQ-C30 before palliative radiotherapy and 181 after palliative radiotherapy. The questionnaire was well accepted with a high completion rate in the present patient population consisting of advanced cancer patients with short life expectancy. In addition, the questionnaire was found to be useful to detect the effect of palliative radiotherapy over time. The scale reliability was excellent for all scales except the role functioning scale. Excellent criterion validity was found for the emotional functioning scale where it was correlated with GHQ-20. Performance of the questionnaire was improved after the second evaluation as compared with the first. The present study shows that the EORTC QLQ-C30 is found to be practical and valid in measuring quality of life in patients with advanced disease.

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