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Ann Oncol. 2009 Jan;20(1):17-25. doi: 10.1093/annonc/mdn537. Epub 2008 Aug 4.

A systematic review of the scales used for the measurement of cancer-related fatigue (CRF).

Author information

  • 1Division of Mental Health, St George's University of London, London, UK. ominton@sgul.ac.uk

Abstract

BACKGROUND:

Fatigue in cancer is very common and can be experienced at all stages of disease and in survivors. There is no accepted definition of cancer-related fatigue (CRF) and no agreement on how it should be measured. A number of scales have been developed to quantify the phenomenon of CRF. These vary in the quality of psychometric properties, ease of administration, dimensions of CRF covered and extent of use in studies of cancer patients. This review seeks to identify the available tools for measuring CRF and to make recommendations for ongoing research into CRF.

METHODS:

A systematic review methodology was used to identify scales that have been validated to measure CRF. The inclusion criteria required the scale to have been validated for use in cancer patients and/or widely used in this population. Scales also had to meet a minimum quality score for inclusion.

RESULTS:

The reviewers identified 14 scales that met the inclusion criteria. The most commonly used scales and best validated were the Functional Assessment of Cancer Therapy Fatigue (FACT F), the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ C30) (fatigue subscale) and the Fatigue Questionnaire (FQ).

CONCLUSIONS:

Unidimensional scales are the easiest to administer and have been most widely used. The authors recommend the use of the EORTC QLQ C30 fatigue subscale or the FACT F. The FQ gives a multidimensional assessment and has also been widely used. A substantial minority of the scales identified have not been used extensively or sufficiently validated in cancer patients and cannot be recommended for routine use without further validation.

PMID:
18678767
DOI:
10.1093/annonc/mdn537
[PubMed - indexed for MEDLINE]
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