Age group (years)

Parameters

<40

40 - 65

>65

p Value

(<40 Vs > 65)

Number of patients

68

52

34

-

Females

47 (70%)

52 (68%)

34 (61%)

NS

Means NYHA Class

II

II

II

NS

History

Paroxysmal nocturnal dyspnea

18 (27%)

22 (29%)

22 (39%)

NS

Acute pulmonary oedema

4 (6%)

11 (14%)

19 (36%)

< 0.001

Rheumatic fever

25 (37%)

23 (70%)

11 (20%)

< 0.05

Cerebral vascular accident

2 (3%)

9 (12%)

14 (25%)

< 0.001

Atrial fibrillation

6 (9%)

23 (30%)

36 (64%)

< 0.001

Clinical features of pulmonary arterial hypertension

44 (66%)

32 (42%)

24 (43%)

< 0.01

Signs of pliable valve

66 (99%)

70 (91%)

39 (70%)

< 0.001