Figure 3
From: Uneven distribution of ventilation in acute respiratory distress syndrome
Linear regression between FRC measurements by rebreathing of sulphur hexafluoride (FRCSF6) and by computed tomography (FRCCT) in 20 healthy subjects. The dotted line is the regression line: EELVSF6 = 0.9FRCCT + 0.1 (r2 = 0.83; P < 0.001).