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Table 2 Cardiorespiratory variables during progressive hypoxia

From: Hypoxic-induced resting ventilatory and circulatory responses under multistep hypoxia is related to decline in peak aerobic capacity in hypoxia

 

Inspired oxygen level

One-way ANOVA results

21% O2

18% O2

15% O2

12% O2

F

P

η2

\(\dot{\mathrm V}\)E, L min−1

9.6±1.4

9.9±1.5

11.3±1.6a,b

12.0±1.7a,b

40.3

< 0.001

0.32

HR, bpm

62.4±9.2

63.8±8.6

67.9±9.3a,b

72.4±9.7a,b,c

28.0

< 0.001

0.17

SaO2, %

97.0±0.6

94.3±1.0

89.4±1.9a,b

80.0±4.5a,b,c

107.0

< 0.001

0.88

  1. Values are mean ± standard deviation (SD). \(\dot{\mathrm V}\)E pulmonary ventilation, HR heart rate, bpm beats per minute, SaO2 arterial oxygen saturation
  2. a, b, or c indicate significant differences vs. 21%, 18% or 15% O2, respectively