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Different methods of estimating pulmonary wedge pressure (PWP) yield similar results. With Bland-Altman analysis, the manual and computer-generated mean (CGM) PWPs from 116 patients in cohort A demonstrated excellent agreement, with a slight underestimation of the CGM relative to the manual at baseline (−2.1 ± 2.6 mmHg; A) and after fluid challenge (−2.7 ± 3.3 mmHg; B).
