表 5.

两组患者不同时间点PaO₂、PaCO₂的比较

Comparison of PaCO₂ between the two groups at different time points (Mean±SD, n=23)

Index	Group	T0	T1	T2	T3	F	P △
△: Intra-group comparison, ☆: Compared with control group. aP<0.05 vs T0, bP<0.05 vs T1, cP<0.05 vs T2.
PaO2 (mmHg)	Rhodiola	315.98±51.97	174.60±22.78a	161.47±27.66a	303.90±25.29bc	160.810	<0.05
	Control	297.94±45.68	115.88±17.23a	109.81±23.04a	296.77±22.16bc	270.501	<0.05
	t	1.250	9.862	6.883	1.018
	P ☆	0.218	<0.001	<0.001	0.314
PaCO2 (mmHg)	Rhodiola	38.84±5.36	39.47±6.52	39.71±5.81	40.74±6.96	0.430	0.734
	Control	40.02±3.76	40.48±4.94	41.49±6.20	40.89±5.87	0.354	0.771
	t	-0.866	-0.594	-1.001	-0.080
	P ☆	0.391	0.556	0.322	0.936