Table 2 Baseline Characteristics

Males

10

Females

78

BMI > 30 kg/m2

22

Mean Age (years)

50.4

Mean Age at diagnosis of PH (years)

44.2

Mean BMI (kg/m2)

31.7

Etiology of PH

   Primary (Famililal or Idipathic)

49

   Associated forms

39

Collagen vascular disease

21

Chronic cardiac disease

6

Portal hypertension

1

Chronic lung disease

1

Obstructive sleep apnea

5

HIV

1

Thromboembolic disease

1

Anorexigen

3

Drug therapy for PH

   Prostacyclin/Analog

37

   Endothelin receptor antagonist

39

   PDE-5 inhibitor

46

   Calcium channel blocker

10

   Multiple drug therapy

48