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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: Clinical course of COPD patients with exercise-induced elevation of pulmonary artery pressure or less severe pulmonary hypertension presenting with respiratory symptoms and the impact of bosentan intervention—prospective, single-center, randomized, parallel-group study

Fig. 3

Comparison of change in 6MWD between drug-treated and untreated patients with eePAP or less severe PH. Repeated measures analysis of 6 min walk distance (6MWD) data using the EMS method with the standard least squares test showed a significant difference between the untreated and drug-treated patients with eePAP or less severe PH in the change from baseline to month 12 (P = 0.0002)

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BMC Pulmonary Medicine

ISSN: 1471-2466

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