Key result
Higher baseline submaximal cardiorespiratory fitness was associated with a 60% lower risk of all-cause mortality compared to the lowest fitness group (HR 0.40; 95% CI 0.25-0.64).
Why the study?
Does higher submaximal cardiorespiratory fitness (sCRF) or its improvement reduce all-cause mortality in adults with coronary heart disease attending cardiac rehabilitation?
Population
670 adults aged 22-82 years with a clinical diagnosis of coronary heart disease attending a community-based…
Comparison
Higher baseline submaximal cardiorespiratory… vs Lowest baseline sCRF group.
Design
Cohort
Follow-up
median 14 years, range 1.2-19.4 years
Authors
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May support fitness assessment in risk stratification; leaves open whether improving fitness reduces mortality.
Cohort (n=670)
No
Does higher submaximal cardiorespiratory fitness (sCRF) or its improvement reduce all-cause mortality in adults with coronary heart disease attending cardiac rehabilitation?
Hazard Ratio: 0.4 (95% CI 0.25–0.64)
Higher baseline submaximal cardiorespiratory fitness and its improvement through cardiac rehabilitation are associated with significantly reduced long-term all-cause mortality in patients with coronary heart disease, particularly among the least fit.
Taylor et al. (2016) conducted a cohort in Coronary heart disease (n=670). Higher baseline submaximal cardiorespiratory fitness (sCRF) vs. Lowest sCRF group (<5 METs for women and <6 METs for men) was evaluated on All-cause mortality (HR 0.40, 95% CI 0.25-0.64). Higher baseline submaximal cardiorespiratory fitness was associated with a 60% lower risk of all-cause mortality compared to the lowest fitness group (HR 0.40; 95% CI 0.25-0.64).
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