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Table 2 Maximal (Peak) upright bicycle exercise and gas exchange analysis

From: Reduced peripheral arterial blood flow with preserved cardiac output during submaximal bicycle exercise in elderly heart failure

  Healthy Heart Failure p-value
  mean ± SD mean ± SD  
Peak work load (watts) 97.8 ± 19.1 82.7 ± 22.3 0.002
Peak VO2 (ml/kg/min) 19.8 ± 5.7 13.9 ± 3.2 0.01
Max RER 1.03 ± 0.33 1.04 ± 0.07 0.95
Peak Heart rate 138 ± 28 111 ± 20 0.01
Peak Systolic blood pressure 195 ± 24 156 ± 30 0.01
Peak Diastolic blood pressure 81 ± 9 78 ± 8 0.51
Peak RPP 28295 ± 7412 17842 ± 5616 0.003
  1. Abbreviations: PMHR = percent maximum heart rate (adjusted for age); RER = Respiratory exchange ratio; RPP = rate pressure project; VO2 = oxygen uptake