Table 2.
Maximum pulmonary gas exchange indicators under specific and non-specific testing conditions
| SW | CE | ACE | %diff SW vs CE |
%diff SW vs ACE |
%diff CE vs ACE |
|
|---|---|---|---|---|---|---|
| V̇O2peak (L/min) | 2.213 ± 0.508 ## | 2.408 ± 0.415 ** | 1.766 ± 0.407 **## | − 8% | + 20% | + 27% |
| V̇Epeak (L/min) | 84.940 ± 12.629 ## | 98.421 ± 15.406 ** | 69.412 ± 18.195 **## | − 14% | + 18% | + 29% |
| V̇Tpeak (L) | 1.776 ± 0.453 ## | 1.969 ± 0.547 ** | 1.620 ± 0.455 *## | − 10% | + 9% | + 18% |
| BFpeak (bpm) | 62.6 ± 8.1 | 61.2 ± 12.3 | 53.4 ± 10.5 **# | + 2% | + 15% | + 13% |
| RERpeak | 1.06 ± 0.03 ## | 1.18 ± 0.05 | 1.08 ± 0.04 ## | –10% | –2% | + 8% |
%diff Percentage difference among different testing conditions, SW Swimming test, CE Cycle ergometer test, ACE Arm crank ergometer test, V̇O2 Oxygen uptake, V̇E Min ventilation, VT Tidal volume, BF Breathing frequency, RER Respiratory exchange ratio, bpm breaths per min
*P < 0.05, differences from SW
**P < 0.01, differences from SW
#P < 0.05, differences from CE
##P < 0.01, differences from CE