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Validation of the European Organization for Research and Treatment of Cancer QLQ‐LMC21 questionnaire for assessment of patient‐reported outcomes during treatment of colorectal liver metastases. BJS 2009; 96: 291-298.

Published: 17th February 2009

Authors: J. M. Blazeby, P. Fayers, T. Conroy, O. Sezer, J. Ramage, M. Rees et al.

Background

There is a lack of valid patient‐reported outcome (PRO) measures for hepatectomy or palliative treatment of colorectal hepatic metastases. This study examined the validity and reliability of the European Organization for Research and Treatment of Cancer Quality of Life questionnaire liver module (QLQ‐LMC21) in patients with liver metastases from colorectal cancer.

Method

Some 356 patients completed the core questionnaire (QLQ‐C30), QLQ‐LMC21 and a debriefing questionnaire before and 3 months after hepatectomy or palliative treatment. Construct, criterion and clinical validity were evaluated before and after treatment.

Results

Questionnaire compliance was high; less than 1 per cent of data were missing from individual items. Modifications to the hypothesized scale structure produced four scales and nine single items with good reliability, clinical, criterion and construct validity. The QLQ‐LMC21 distinguished between patients selected for surgery or palliative treatment in nine of these 13. Significant changes in PROs were observed before and after treatment. The new module discriminated between clinically distinct groups of patients and measured aspects of quality of life not covered in the core questionnaire.

Conclusion

The EORTC QLQ‐LMC21 is a valid and reliable questionnaire module to use with the QLQ‐C30 in assessing PROs in hepatectomy or palliative treatment for colorectal liver metastases. Copyright © 2009 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.

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