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Table 2

From: Pulmonary artery stiffness in chronic obstructive pulmonary disease (copd) - the mesa copd study

COPD Severity N PA Pulsatility % (SE) p
Normal 35 0 (ref) -
Mild 16 -1.15 (1.6) 0.47
Moderate 18 -1.41 (1.4) 0.32
Severe 2 -3.15 (3.4) 0.36