Clinical evaluation of prone position ventilation in the treatment of acute respiratory distress syndrome induced by sepsis

Table 2 Differences in respiratory mechanics indices of patients in each group before and after ventilation

Group	Oxygenation index				Cst (mL/cmH2O)				Pplat (cmH2O)
	Day 1	Day 2	Day 4	Day 7	Day 1	Day 2	Day 4	Day 7	Day 1	Day 2	Day 4	Day 7
Routine treatment group (n = 55)	85.31 ± 25.69	198.33 ± 42.81	254.86 ± 49.56	308.03 ± 57.47	24.09 ± 2.87	36.06 ± 3.62	36.38 ± 3.75	36.45 ± 3.82	25.32 ± 1.06	21.96 ± 0.79	21.80 ± 0.72	21.73 ± 0.65
Prone position ventilation treatment group (n = 47)	129.34 ± 40.02	205.23 ± 41.81	255.50 ± 54.54	320.81 ± 66.15	29.80 ± 3.52	36.24 ± 3.65	36.42 ± 3.72	36.55 ± 3.90	22.01 ± 0.82	21.90 ± 0.75	21.76 ± 0.68	21.70 ± 0.61
t value	6.704	0.820	0.062	1.044	9.024	0.249	0.054	0.131	17.410	0.391	0.287	0.239
P value	0.001	0.414	0.951	0.299	0.001	0.804	0.957	0.896	0.001	0.696	0.775	0.812

Cst: Lung compliance; Pplat: Platform pressure.