Abstract
ObjectivesTo critically appraise the measurement properties of standardized health-related quality of life (HRQOL) instruments for colorectal cancer (CRC) patients and to provide recommendations on the choice of HRQOL instruments. Study Design and SettingSystematic review of English language literature published between January 1985 and May 2014 identified through a database search of PubMed, Web of Science, Embase, and Ovid MEDLINE. HRQOL instruments were rated on methodological quality and overall levels of evidence using a Consensus-based Standards for the selection of health Measurement Instrument checklist. ResultsInternal consistency and hypothesis testing were evaluated most frequently in 63 studies identified. The Functional Assessment of Cancer Therapy-Colorectal (FACT-C) was the most extensively evaluated. The highest number of positive ratings in the overall level of evidence was found in the CRC-specific quality of life questionnaire module (QLQ-CR38) in European Organization for Research and Treatment of Cancer (EORTC) module, followed by the Memorial Sloan Kettering Cancer Center Bowel instrument, FACT-C, and Quick-FLIC. The EORTC QLQ-CR38 had the most positive ratings on measurement property and was recommended. ConclusionThe EORTC QLQ-CR38 was recommended to assess HRQOL in patients with CRC, regardless of disease stage and primary tumor site.
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