Table 2.
Results of the CPET and the 6MWT in the study population.
n | Mean ± SD | |
---|---|---|
CPET variable | ||
VO2 peak/kg (mL/kg/min) | 25 | 15.5 ± 3.9 |
VO2 at AT (mL/kg/min) | 21 | 11.6 ± 3.5 |
Oxygen pulse (mL/beat) | 25 | 9.2 ± 2.8 |
SpO2 peak | 25 | 87.7 ± 5.7 |
VE peak (L/min) | 25 | 54.2 ± 17.5 |
BR peak % | 25 | 27.3 ± 21.2 |
VE/VCO2 slope | 25 | 40.0 ± 13.5 |
VE/VCO2 ratio at AT | 21 | 37 ± 10.4 |
HR reserve | 25 | 19.2 ± 18.0 |
HR recovery | 25 | 14.5 ± 8.3 |
6MWT variable | ||
Distance (meters) | 25 | 326.4 ± 153 |
SpO2 at the initiation% | 25 | 94.8 ± 2.2 |
SpO2 at the end% | 25 | 87.6 ± 5.6 |
Desaturation (%) | 25 | 7.2 ± 4.3 |
Peak oxygen consumption/kg (VO2 peak/kg), anaerobic threshold (AT), oxygen pulse (O2P), oxygen saturation at peak exercise (SpO2 peak), total ventilation (VE), carbon dioxide output (VCO2), breathing reserve (BR), VE/VCO2 slope at anaerobic threshold (AT), and heart rate (HR). All values are shown as mean ± standard deviation.