Blood gases, respiratory mechanics and intracranial pressure.

<p>Median (interquartile ranges); Paw = mean airway pressure, PIP = peak inspiratory pressure, ICP = intracranial pressure.</p><p>* = p<0.001: 40 vs 80 vs 120 vs 160; ** = p<0.05: 40 vs 80, 80 vs 120; p<0.005: 40 vs 120, 40 vs 160; ^† = p<0.001: 40 vs 80, 40 vs 120; p<0.05: 40 vs 160, 120 vs 160; ^‡ = p<0.01: 40 vs. 80, 40 vs 120, 40 vs 160; n.s. = not significant.