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Rigshospitalet - a part of Copenhagen University Hospital
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Sex Difference in the Association between Physical Activity and All-Cause Mortality in Ambulatory Patients with Chronic Kidney Disease

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(1) Background: The purpose of this article was to investigate the association between self-reported physical activity (PA) and all-cause mortality in ambulatory patients with chronic kidney disease (CKD), stage 4-5 including maintenance dialysis. (2) Methods: Ambulatory patients with CKD (eGFR < 30 mL/min/1.73 m2) with conservative treatment or chronic dialysis were included. PA was assessed using the Saltin-Grimby Physical Activity Level Scale. A Cox proportional hazards regression model--adjusted for age, sex, plasma-albumin, body mass index, socioeconomic status, and treatment--was applied. (3) Results: Participants (n = 374) were followed 39 ± 15 months from entry to death or censoring. Throughout the study period of 39 months, 156 deaths (42%) were registered. Regarding physical activity, 128 (34%) of the participants were inactive, 212 (57%) were moderately active, and 34 (9%) were highly or vigorously active. Moderate PA was associated with a decreased mortality risk in women (n = 150) compared to inactivity (HR 0.27 (0.15; 0.51), p < 0.001), whereas a high/vigorous level of PA was not significantly associated with mortality risk compared to inactivity. In men (n = 224), the associations between PA levels and mortality risk were not significant. (4) Conclusions: Moderate PA was associated with reduced all-cause mortality in ambulatory women with stage 4-5 CKD with or without maintenance dialysis treatment. Physical activity was not significantly associated with mortality in men.

Original languageEnglish
Article number3698
JournalInternational Journal of Environmental Research and Public Health
Volume18
Issue number7
ISSN1661-7827
DOIs
Publication statusPublished - 1 Apr 2021

    Research areas

  • Chronic kidney failure, Cox proportional hazards models, Dialysis, Physical activity, Survival analyses

ID: 65442452