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Table 1

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

COPD Severity

N

PA Pulsatility % (SE)

p

Normal

35

14.0 (5.0)

-

Mild

16

13.1 (4.5)

0.56

Moderate

18

12.6 (3.7)

0.29

Severe

2

11.8 (3.)

0.51