Table 2

Etiologic groups of pulmonary hypertension [1].

Etiologic group


Pulmonary arterial hypertension (group 1)

7 (21%)

Idiopathic

6 (18%)

Portal hypertension

1 (3%)

Associated with lung disease and/or hypoxemia (group 3)

16 (47%)

Chronic obstructive pulmonary disease

8 (23%)

Interstitial lung disease

3 (9%)

Combined pulmonary fibrosis and emphysema

3 (9%)

Other

2 (6%)

Thromboembolic obstruction (group 4)

9 (26%)

Miscellaneous (group 5)

2 (6%)


Data expressed are absolute values (percent of total).

Vodoz et al. BMC Cardiovascular Disorders 2009 9:15   doi:10.1186/1471-2261-9-15

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