Ergospirometry data for the 40 participants obtained from cardiopulmonary exercise tests performed without and with added CLE test set-up
| Parameter | CPET without CLE | CPET with CLE | Difference | |||
| Mean | sd | Mean | sd | Mean | (95% CI) | |
| V′O2peak mL·min−1 | 3818 | 873.8 | 3806 | 883.4 | 11.4 | (−33.5, 56.2) |
| V′O2peak mL·kg−1·min−1 | 54.9 | 6.3 | 54.7 | 6.6 | 0.22 | (−0.40, 0.83) |
| V′CO2peak mL·min−1 | 4618 | 1016 | 4565 | 1006 | 53.1 | (−25.9, 132.0) |
| VT L | 2.61 | 0.65 | 2.61 | 0.62 | 0.005 | (−0.08, 0.071) |
| V′E L·min−1 | 142.3 | 33.1 | 139.7 | 34.2 | 2.58 | (−1.33, 6.49) |
| HR beats·min−1 | 186 | 8.7 | 185 | 9.0 | 1.4 | (−0.8, 3.5) |
| RR breaths·min−1 | 55 | 9.3 | 54 | 10.0 | 1.2 | (−1.5, 4.0) |
| RER units | 1.21 | 0.05 | 1.20 | 0.05 | 0.01 | (−0.007, 0.027) |
| Distance m | 1199 | 219 | 1150 | 210 | 49 | (15.7, 82.0) |
CLE: continuous laryngoscopy during exercise; CPET: cardiopulmonary exercise test; V′O2peak: oxygen consumption at peak exercise; V′CO2peak: carbon dioxide production at peak exercise; VT: tidal volume; V′E: minute ventilation; HR: heart rate; RR: respiratory rate; RER: respiratory exchange rate.