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Quality of life crude scores according to monthly income (A), age group (B), and comorbidities (C, D). Higher scores indicate a better health status, except on the fatigue scale where higher scores indicate a higher level of symptoms.
Abbreviations: QLQ-C30, Quality of Life Questionnaire Core 30; SF-36, Medical Outcomes Study 36-Item Short Form; MFI, Multidimensional Fatigue Inventory.
