Re-analysis of symptom clusters in advanced cancer patients attending a palliative outpatient radiotherapy clinic

Cancer patients often present with several concurrent symptoms. There is evidence to suggest that related symptoms can cluster together in stable groups. The present study sought to identify symptom clusters in advanced cancer patients using the Edmonton Symptom Assessment System (ESAS) in a palliative outpatient radiotherapy clinic.Principal component analysis (PCA), exploratory factor analysis (EFA), and hierarchical cluster analysis (HCA)...