2.

两组不同时点血流动力学参数和呼吸参数比较

Hemodynamic and respiratory parameters at different time points in the two groups (Mean±SD, n=63)

Group	HR (bpm)	MAP (mmHg)	Ppeak (cmH2O)	Cdyx (mL/cmH2O)
#P < 0.05 vs the group N, △P < 0.05 vs T1 of the same group.
R (n=32)
T1	124.5±13.2	72.4±9.1	14.4±3.3	13.1±3.6
T2	145.4±16.3△	59.5±8.8△	21.5±2.6#△	10.2±1.3#△
T3	142.7±17.3△	63.4±7.9△	21.1±3.3#△	9.7±0.9#△
T4	130.3±15.3	70.2±8.4	17.1±3.2	11.7±2.6
N (n=31)
T1	127.3±14.7	74.3±9.3	16.6±5.1	13.3±3.1
T2	143.8±18.6△	60.6±8.5△	24.8±1.4△	8.7±0.9△
T3	140.7±17.2△	64.2±8.1△	24.9±1.9△	8.1±0.7△
T4	129.2±13.2	69.8±9.2	18.1±4.6	10.7±1.7