Ventilatory parameters at different absolute isoventilation
| Ventilation | 40 L/min | 60 L/min | 80 L/min | |||
|---|---|---|---|---|---|---|
| SLE | Control | SLE | Control | SLE | Control | |
| RF/VT (breaths/min-L1) | 40.0±3.8* | 23.4±2.5 | 38.7±3.9* | 23.6±1.9 | 38.8±2.7* | 25.0±1.5 |
| TTOT (s) | 1.58±0.1* | 2.17±0.1 | 1.32±0.0* | 1.78±0.1 | 1.13±0.0* | 1.51±0.1 |
| VT/TI (L s–1) | 1.41±0.0 | 1.42±0.0 | 2.09±0.1 | 2.08±0.0 | 2.63±0.1 | 2.60±0.1 |
| VE/VCO2 | 31.0±0.6* | 27.8±0.7 | 31.9±0.6* | 29.0±0.6 | 34.2±0.6* | 30.5±0.6 |
Values are means ± SE. TOT, total respiratory time; VT/TI, mean inspiratory flow; VE/VCO2, ventilatory equivalent for carbon dioxide. *P<0.05 vs. Control.