Validation study of a quality of life (QOL) questionnaire for use in Iran.
Bijang Moghim Dehkordi
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Recently, it has been recognized that a more comprehensive assessment of the cancer patient is necessary and that the evaluation of outcomes must move beyond traditional biomedical endpoints to include assessments of the impact of disease and its treatment on patients' quality of life. The European Organization for Research and Treatment of Cancer has developed a 30-item quality of life questionnaire to obtain information about the impact of disease and treatment on the daily living of cancer patients. This questionnaire has been translated into many languages and used in various countries. However, version 3.0 has not yet been validated for use with Iranian patients. The aims of the present study were therefore to evaluate the reliability and validity of the new QLQ-C30 questionnaire.