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. 2012 Nov 15;7(1):44. doi: 10.1186/2049-6958-7-44

Figure 3.

Figure 3

Regional τ1(top) and τ2(bottom) determined by EIT in the ventral and dorsal lung areas in 12 patients with normal lungs (left) and 20 patients with ARDS (right) during passive deflation against the PEEP valve from the pressure of 35 cm H2O to the PEEP levels of 0, 8 and 15 cm H2O. Significant differences between and within the groups are indicated: normal lung versus ARDS *, p< 0.05, **, p < 0.001; ventral versus dorsal lung area §, p < 0.05, §§ p < 0.001; significant effect of PEEP, s., p < 0.05.