| Independent Samples Test* | ||
| Patients with and without PH | t-test for Equality of Means | |
| t | Sig. (2-tailed) | |
| Right Atrium Diameter (mm) | 6.418 | 0.000 |
| Right Ventricle Diameter (mm) | 7.389 | 0.000 |
| Inter-Ventricular Septum Width (mm) | −0.480 | 0.633 |
| Myocardium Thickening (mm) | 0.025 | 0.980 |
| Pulmonary Trunk Diameter (mm) | 7.624 | 0.000 |
| Right Main Pulmonary Artery Diameter (mm) | 5.092 | 0.000 |
| Left Main Pulmonary Artery Diameter (mm) | 5.059 | 0.000 |
| Right Distal Pulmonary Artery Diameter (mm) | 1.482 | 0.143 |
| Left Distal Pulmonary Artery Diameter (mm) | 1.934 | 0.057 |