Figure 2From: Effect of corticosteroids on the clinical course of community-acquired pneumonia: a randomized controlled trialComparative evolution of paO 2 /FIO 2 ratio over the days of treatment and between the two study groups. Mean values with 96% Confidence Intervals. Open circles: Placebo. Closed circles: methyl-prednisolone (MPDN). Line: Clamp Spline Interpolation. (P = 0.001 Kruskal-Wallis one-way non-parametric test).Back to article page