Figure 2From: A randomised controlled trial of an open lung strategy with staircase recruitment, titrated PEEP and targeted low airway pressures in patients with acute respiratory distress syndromeIL-8 and TNF-α measured over 168 hours (seven days) reported as geometric means (95% CI). There was a significant overall difference in interleukin-8 and serum tumour necrosis factor-alpha between the treatment group and the control group over the seven-day period (P = 0.01 and P = 0.05 respectively).Back to article page