9.In pul-ARDS, the Raw was (8.4±1.8) cmH2O. S-1.L-1 in the supine position, it was significantly decreased after 2 h in the proneposition (10.8±1.4) cmH2O.
10.The changes of the PO2 were similar to the PaO2/FiO2. The PCO2and the Cst,rs did not differ significantly between the proneposition and the supine position in the two groups.