Table 1.
Parameter | Mean ± SD or % | Cohort (n) * | |
---|---|---|---|
Age at diagnosis (years) | 61 | ± 13 | 40 |
Women (%) | 53 | 40 | |
6-minute walking distance (m) | 425 | ± 86 | 34 |
Previous history of pulmonary embolisms (%) | 87 | 39 | |
Family history of thrombosis or pulmonary embolisms (%) | 11 | 36 | |
Presence of myeloproliferative disease (%) | 7.5 | 40 | |
N-terminal pro-brain natriuretic peptide (ng/l) | 1893 | ± 4186 | 36 |
WHO functional class [26] | 36 | ||
WHO functional class II (%) | 42 | ||
WHO functional class III (%) | 58 | ||
Treatment | 39 | ||
Pulmonary endarterectomy (%) | 33 | ||
Pulmonary endarterectomy + medication (%) | 23 | ||
Balloon pulmonary angioplasty + medication (%) | 10 | ||
Pulmonary endarterectomy + balloon pulmonary angioplasty + medication (%) | 3 | ||
Medication only (%) | 31 | ||
Haemodynamics | |||
Mean pulmonary artery pressure (mmHg) | 44 | ± 13 | 36 |
Pulmonary artery wedge pressure (mmHg) | 9 | ± 5 | 34 |
Pulmonary vascular resistance (Wood Units) | 7.9 | ± 3.6 | 35 |
Cardiac output (L/min) | 4.7 | ± 1.1 | 28 |
Cardiac index (L/min/m2) | 2.5 | ± 0.5 | 27 |
* n varies for each parameter. Exact numbers are listed in this column; Abbreviations: SD: standard deviation, WHO: World Health Organization.