Annals of oncology : official journal of the European Society for Medical Oncology
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Determining the prevalence of fatigue among cancer patients is complicated by the high prevalence of fatigue symptoms in the general population. The aim of this study was to determine the prevalence, severity and correlates of fatigue among both cancer patients and control subjects without cancer. ⋯ Severe fatigue is a common problem among cancer patients, particularly those with advanced disease. Fatigue is significantly associated with the severity of psychological symptoms (anxiety and depression) and with the severity of pain and dyspnoea.