Figure 2 | Scientific Reports

Figure 2

From: Simulation-based optimisation to quantify heterogeneity of specific ventilation and perfusion in the lung by the Inspired Sinewave Test

Figure 2

The IST heterogeneity indices in animal data. Panels (a) and (b) show the distribution of the IST ventilation heterogeneity index (σV) in noninjured and injured lungs. Similarly, panels c and d show the IST perfusion heterogeneity index (σP). Panels (a) and (c) present the mean and standard deviation of the IST heterogeneity indices versus PEEP levels. Panels (b) and (d) present the unpaired Student’s t test comparisons in all PEEP levels. ns: non-significant and ****p < 0.0001.

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