TABLE 2.
Associations between sex and baseline haemodynamics in subjects with idiopathic pulmonary arterial hypertension, stratified by age group for mean pulmonary artery pressure
| Variable | Difference between males and females | 95% CI | p-value |
|---|---|---|---|
| Right atrial pressure mmHg | 1.36 | 0.44–2.27 | 0.004 |
| Mean pulmonary arterial pressure mmHg | |||
| Age <45 years | 5.43 | 2.20–8.66 | 0.001 |
| Age 45–54 years | 1.37 | −2.64–5.37 | 0.50 |
| Age 55–64 years | −1.45 | −5.70–2.81 | 0.50 |
| Age ≥65 years | 3.06 | −1.31–7.43 | 0.17 |
| Cardiac output L·min−1 | −0.21 | −0.43–0.01 | 0.06 |
| Pulmonary capillary wedge pressure mmHg | 0.19 | −0.38–0.77 | 0.51 |
| Pulmonary vascular resistance Wood units | 1.23 | 0.18–2.27 | 0.02 |
Adjusted for age (if no sex–age interaction), race, height, weight and study.