Fig. 3From: Perioperative redistribution of regional ventilation and pulmonary function: a prospective observational study in two cohorts of patients at risk for postoperative pulmonary complicationsAssociation between perioperative changes in COVy and FVC%predicted during forced breathing. A scatter plot for the changes in COVy and FVC%predicted on the first (full circles) and on the third postoperative day (empty circles) is shown. Changes from preoperative to postoperative measurements were used for both variablesBack to article page