Table 3.

Resting, Submaximal, and Maximal Cardiopulmonary Exercise Measures

Variable	n	Value
Rest
Heart rate, beats/min	59	89±17
Systolic blood pressure, mm Hg	59	114±10
Diastolic blood pressure, mm Hg	59	69±7
O2 saturation (%)	59	96 (94, 98)
Cardiac index, L/min/m2	56	2.61±0.7
Anaerobic threshold
VO2, mL/kg/min	57	21.1±5.8
Percentagea of predicted peak VO2	57	90.2±24.5
VE/VCO2	57	33.8±6.6
Peak exercise
VO2, mL/kg/min	54	27.8±7.6
Percentagea of predicted peak VO2	54	71.0±21.2
Work, W	50	2067 (1623, 3355)
Heart rate, beats/min	56	166±24
Respiratory rate, breaths/min	54	51±11
Respiratory exchange ratio	54	1.12±0.09
O2 pulse, mL/beat/BSA	54	5.47±1.41
O2 saturation (%)	56	94 (90, 96)
Cardiac index, L/min/m2	32	5.07±1.07
Stroke volume, mL	32	47.6±14.5

Data are presented as mean±SD or median (interquartile range). BSA, body surface area; VE/VCO₂, ventilatory equivalents of carbon dioxide; VO₂, oxygen consumption.

^aPercentage predicted for age and sex.