Fig. 7. Summary of model parameters R , I , η, Hmin , and Hmaxversus mean airway pressure ( P̄ao ) for all 11 dogs. Data are shown at baseline (ˆ) and after lung injury (•). Values are presented as mean ± SD. * Significantly higher from baseline data at same P̄ao using two-tailed paired t test. † Significantly higher than corresponding data at 10, 15, and 20 cm H2O at same condition using analysis of variance and least significant difference criterion. § Significantly higher than corresponding data at 15 and 20 cm H2O at same condition using analysis of variance and least significant difference criterion .