Fig. 4

The effect of DEX administration on gas exchanges and cytokine productions. (a) PaO₂ vs. HbO₂; (b) PaCO₂ vs. PaO₂; and (c) PCT vs. IL-1β. Data from patients in the control group (in black empty cycles) were plotted with those in the DEX group (in red empty squares) at different time points during treatment