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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.