a decreasing trendP < 0.05
The PaO 2 showed a significant increase ( P < 0.05), the PaCo 2 demonstrated a decreasing trend ( P < 0.05), and the oxygenation index significantly increased ( P < 0.001) in both groups.
The PaO 2 showed a significant increase ( P < 0.05), the PaCo 2 demonstrated a decreasing trend ( P < 0.05), and the oxygenation index significantly increased ( P < 0.001) in both groups.