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Table 3 Distribution of tidal volume in different regions-of-interest (ROI) in the second set of experiments before and after induction of lung injury measured by EIT

From: Determination of respiratory gas flow by electrical impedance tomography in an animal model of mechanical ventilation

 

Healthy baseline

Lavage injury

n = 6

 

Unit

Mean

sd

Mean

sd

p

ROI 1

ventral / nondependent

%

15.1

11.1

17.1

16.6

0.647

ROI 2

middle

%

58.3

20.2

76.8

19.5

0.061

ROI 3

dorsal / dependent

%

35.7

13.2

11.1

9.9

0.032*

  1. Values are in% of the total tidal volume (ROI 1 + ROI 2 + ROI 3): sd = standard deviation, *p < 0.05.