Dose-response relationship between physical activity and mortality in adults with noncommunicable diseases: A systematic review and meta-analysis of cohort studies

MedRxiv : the Preprint Server for Health Sciences
Wolfgang GeidlKlaus Pfeifer


Objective To investigate the relationship between post-diagnosis physical activity and mortality in patients with selected noncommunicable diseases, including breast cancer, lung cancer, type 2 diabetes (T2D), ischemic heart disease (IHD), chronic obstructive pulmonary disease (COPD), stroke, osteoarthritis, low back pain and major depressive disorders. Design Systematic review and dose-response meta-analysis. Data sources PubMed, Scopus and the Web of Science were searched systematically for English publications from the inception of the platforms until August 2018. Additionally, the search was updated in August 2019. Eligibility criteria Prospective observational studies examining the relationship between at least three physical activity categories and all-cause mortality or disease-specific mortality as the primary outcome. Results In total, 28 studies were included: 12 for breast cancer, 6 for T2D, 8 for IHD and 2 for COPD. The linear meta-analysis revealed that each 10 metabolic equivalent tasks (MET) h increase of physical activity per week was associated with a 22% lower mortality rate in breast cancer patients (Hazard Ratio [HR], 0.78; 95% CI: 0.71, 0.86), 12% in IHD patients (HR, 0.88; 95% CI: 0.83, 0.93), 30% in COPD ...Continue Reading

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