Cardiopulmonary Response to Exercise Testing in People with Chronic Stroke: A Retrospective Study
Table 2
Cardiopulmonary response at peak effort in chronic stroke.
Characteristics (n = 62 exercise tests)
Group
Males
Females
Relative peak VO2 (mL * kg−1 * min−1)
15.6 (5.42)
16.3 (3.6)
14.8 (6.8)
VO2 peak (L*min−1)
1.3 (0.42)
1.5 (0.4)
1.2 (0.4)*
HR reached at peak effort (bpm)
127.4 (28.8)
131.4 (29.6)
123.2 (27.8)
% of age-predicted HR Max (APHRM)
86%
75%
Age-predicted HR Max (bpm) (220 minus age)
158.3 (12.8)
152.3 (10.5)
164.7 (11.9)*
RER
1.06 (0.1)
1.10 (0.1)
1.02 (0.1)*
VE (L * min−1)
51.3 (18.7)
61.2 (18.0)
40.7 (12.9)*
Tidal volume (L)
1.6 (0.5)
1.8 (0.4)
1.3 (0.5)*
Breathing frequency (breaths * min−1)
33.0 (8.5)
34.0 (8.6)
32.0 (8.4)
Ventilatory equivalent for CO2 (VE/VCO2)
36.5 (6.4)
37.2 (6.0)
35.7 (6.8)
Rating of perceived exertion
16.0 (2.0)
16.5 (1.8)
16.0 (2.2)
VO2 peak, peak oxygen uptake; HR: heart rate; RER: respiratory exchange ratio; Peak VE, minute ventilation, and CO2: carbon dioxide. All values are expressed as mean (standard deviation). *denotes significance between males and females .
