Table 2 Descriptive data and analyses of Variance (ANOVAs) results of baseline values for spiroergometric data (ventilatory outcomes, pulmonary gas exchange measures and heart rate), blood gas analysis measures and subjective outcomes

Breathing frequency

(Breaths per minute)

p = 0.891, n² = 0.001, F(15) = 0.019

Tidal volume

(Liter)

p = 0.539, n² = 0.026, F(15) = 0.395

Ventilation

(Liter per minute)

p = 0.561, n² = 0.023, F(15) = 0.354

Heart rate

(beats per minute)

p = 0.459, n² = 0.037, F(15) = 0.577

Oxygen uptake

(Milliliters per minute)

p = 0.530, n² = 0.027, F(15) = 0.413

Carbon dioxide exhalation

(Milliliters per minute)

p = 0.734, n² = 0.008, F(15) = 0.120

Respiratory exchange ratio

p = 0.483, n² = 0.033, F(15) = 0.516

End tidal oxygen pressure

(Millimeters of mercury)

p = 0.708, n² = 0.010, F(15) = 0.146

End tidal carbon dioxide pressure

(Millimeters of mercury)

p = 0.283, n² = 0.076, F(15) = 1.24

Oxygen partial pressure

(Millimeters of mercury)

p = 0.166, n² = 0.124, F(15) = 2.12

Carbon dioxide partial pressure

(Millimeters of mercury)

p = 0.439, n² = 0.040, F(15) = 0.633

pH value

p = 0.297, n² = 0.072, F(15) = 1.17

Base Excess

(Millimoles per liter)

p = 0.894, n² = 0.001, F(15) = 0.019

Laktate

(Millimoles per liter)

p = 0.686, n² = 0.011, F(15) = 0.170

Perceived exertion

(Range 6–20)

p = 0.633, n² = 0.016, F(15) = 0.238

Perceived dyspnoea

(Range 6–20)

p = 0.484, n² = 0.033, F(15) = 0.516

Perceived pain

(Range 1–10)

p = 0.849, n² = 0.003, F(15) = 0.038