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Changes from rest to peak exercise in the hemodynamic variables in 85 patients who underwent exercise testing, grouped according GOLD stage.
Note: P-value differences from rest to exercise (paired t-tests).
Abbreviations: CI, cardiac index; GOLD, Global Initiative for Chronic Obstructive Pulmonary Disease; mPAP, mean pulmonary artery pressure; PCWP, pulmonary capillary wedge pressure; PVR, pulmonary vascular resistance; NS, not significant.
