Hyperoxia Reversibly Alters Oxygen Consumption and Metabolism

Table 2

Metabolic parameters.

	NOX 1	HOX	NOX 2
VO2 [mL/min/kg]	3.4 (3.0/4.0)	2.8 (2.5/3.6)^§	3.4 (3.3/4.0)
RQ	0.9 (0.8/0.9)	1.1 (1.0/1.1)^§	0.8 (0.7/0.8)^§
VCO2 [mL/min/kg]	3.0 (2.6/3.6)	3.0 (2.6/3.5)	2.6 (2.4/3.1)^§
EE [kcal kg^−1 day^−1]	23.4 (21.1/27.2)	20.6 (18.5/28.0)^§	22.7 (21.9/27.4)

Metabolic parameters. All values are presented as medians (Q1–Q3) for time points NOX 1 (baseline, FiO₂ 0.21), HOX (FiO₂ 1.0), and NOX 2 (FiO₂ 0.21).
^§𝑃<0.05 time point versus NOX 1.
VO₂: oxygen consumption; RQ: respiratory quotient; VCO₂: carbon dioxide production; EE: energy expenditure.