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. 2013 Oct 31;2013:514817. doi: 10.1155/2013/514817

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.