Fig. 3

Time-course of arterial blood gas analysis parameters. a Lactate mmol/L, b Glucose mg/dL; c hemoglobin g/dL; d hydrogen carbonate (HCO3−) mmol/L; e power of hydrogen (PH); f arterial partial pressure of oxygen (pO2). *p < 0.05; **p < 0.01; ***p < 0.001. Red asterisk: 0 ppm group compared to baseline; blue asterisk: 20 ppm group compared to baseline; black asterisk: between groups at specific time-point