TABLE 1

Clinical and functional characteristics of patients at initial assessment

AllYoung
(<65 years)
Elderly
(65–74 years)
Very elderly
(≥75 years)
p-value
Patients248 (100)101 (40.7)82 (33.1)65 (26.2)
Age years68±13.754±10.370±2.879±3.7
Female127 (51.2)60 (59.4)31 (37.8)36 (55.4)0.011
Pulmonary hypertension aetiological group<0.001
 Group 1113 (45.6)56 (55.4)33 (40.2)24 (36.9)
 Group 377 (31.0)18 (17.8)36 (43.9)23 (35.4)
 Group 439 (15.7)14 (13.9)9 (11.0)16 (24.6)
 Group 519 (7.7)13 (12.9)4 (4.9)2 (3.1)
Time to diagnosis months9±387±489±2116±320.001
Functional class (NYHA)0.175
 I11 (4.5)5 (5.0)5 (6.2)1 (1.6)
 II82 (33.5)35 (35.0)29 (35.8)18 (27.7)
 III134 (54)57 (57.0)38 (46.9)39 (60.9)
 IV18 (7.3)3 (3.0)9 (11.1)6 (9.4)
6MWD m330 (127)355 (115)315 (117)210 (125)<0.001

Data are presented as n (%) or median±sd, unless otherwise stated. NYHA: New York Heart Association; 6MWD: 6-min walk distance.