| Variable | Cases | Median (Q1, Q3) | Spearman R (95% CI) | p Value |
| Age (years) | 124 | 51 (40, 61.5) | 0.41 (0.25 to 0.55) | <0.0001 |
| Pulmonary AVMs | 124 | 114 (91.9) | 0.22 (0.45 to 0.39) | 0.01 |
| PAP systolic (mm Hg) | 78 | 23.5 (20, 27) | 0.14 (−0.09 to 0.36) | 0.21 |
| PAP mean (mmHg) | 78 | 13 (11, 16.5) | 0.19 (−0.038 to 0.40) | 0.09 |
| PAP diastolic (mmHg) | 78 | 7 (5, 9) | 0.12 (−0.11 to 0.34) | 0.29 |