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VO2peak/THV ratio in different age groups. VO2peak/THV ratio in healthy volunteers and in heart failure patients in different age groups. Even though there was a slight decrease in VO2peak/THV ratio with increasing age in the healthy volunteers, VO2peak/THV ratio remained significantly higher in the healthy volunteers compared to the heart failure patients. * p < 0.05 and *** p < 0.001
