Fig. 6From: 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 trialPlasma levels of a TNF-α, b IL-1β, c IL-6, d IL-8, e IL-10, and f MIP-2 from baseline through 72 h after randomisation. Values are individuals, medians, and interquartile ranges with whiskers indicating minimum and maximum. NPPV noninvasive positive pressure ventilation, TNF tumour necrosis factor, IL interleukin, MIP macrophage inflammatory proteinBack to article page