Skip to main content
Fig. 3 | Annals of Intensive Care

Fig. 3

From: Physiological effects of high-intensity versus low-intensity noninvasive positive pressure ventilation in patients with acute exacerbation of chronic obstructive pulmonary disease: a randomised controlled trial

Fig. 3

a pH and b PaCO2 from baseline through 72 h after randomisation and c differences in PaCO2 between baseline and other times after randomisation. Values are means and standard errors. *p < 0.05 between the two groups at the same time. NPPV noninvasive positive pressure ventilation, PaCO2 arterial carbon dioxide tension.

Back to article page