The BODE index is good at predicting the worsening of HRQOL in patients with severe COPD.

Renal replacement treatment has not been generalized to the elderly for different reasons. The main objective of the present cohort study is to compare survival in patients older than 80 years with chronic kidney disease stage 5 on renal replacement treatment with those on conservative treatment. The use of healthcare resources is compared too. A Cox proportional hazards regression analysis was run with the outcome variable death during the follow‐up period. The independent variables were treatment type, age, gender, smoking habit, serum albumin, hemoglobin, Charlson Index, diabetes mellitus, arterial hypertension, ischemic cardiopathy, and neoplasm. For outcome variable “death,” renal replacement treatment obtained a hazard ratio of 0.273 (P .006, CI95% 0.108‐0.686) vs conservative treatment. In conclusion, patients older than 80 years with chronic kidney disease stage 5 on renal replacement treatment presented a lower mortality risk than those receiving conservative treatment. Comorbidity and age are both associated with mortality, but do not cancel out the survival advantage. In healthcare resources, the renal replacement treatment group made greater use of tests, medical visits and consumption of hospital dispensing drugs, but there were no differences with respect to the days of hospital admission or assistance in home hospitalization.

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