Table 2.

Maximal (Peak) upright bicycle exercise and gas exchange analysis

	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

Abbreviations: PMHR = percent maximum heart rate (adjusted for age); RER = Respiratory exchange ratio; RPP = rate pressure project; VO2 = oxygen uptake