Table 2.
Computed tomography and right heart catheterization measurements in the PH and control group
| Variable | Group | Median | 25-75 percentile | P† |
|---|---|---|---|---|
| PA (mm) |
control |
27.50 |
24.75-29.00 |
<0.001 |
| PH |
36.10 |
31.05-40.75 |
||
| Aorta (mm) |
control |
32.50 |
30.75-36.00 |
0.387 |
| PH |
34.00 |
31.40-37.85 |
||
| PA/A |
control |
0.80 |
0.76-0.89 |
<0.001 |
| PH |
1.06 |
0.97-1.17 |
||
| Vena cava superior (mmHg) |
control |
9.50 |
5.00-10.50 |
0.028 |
| PH |
12.00 |
9.00-15.00 |
||
| Right atrium pressure (mmHg) |
control |
9.00 |
5.75-11.75 |
0.024 |
| PH |
12.00 |
10.00-14.75 |
||
| RVsis (mmHg) |
control |
34.00 |
33.00-37.00 |
<0.001 |
| PH |
59.05 |
51.25-76.50 |
||
| RVd (mmHg) |
control |
2.00 |
1.00-5.00 |
0.004 |
| PH |
5.00 |
2.00-7.00 |
||
| RVm (mmHg) |
control |
15.50 |
13.75-16.25 |
<0.001 |
| PH |
26.00 |
21.50-35.75 |
||
| PAs (mmHg) |
control |
35.00 |
33.00-37.00 |
<0.001 |
| PH |
59.50 |
53.25-79.50 |
||
| PAd (mmHg) |
control |
14.00 |
12.00-16.00 |
0.001 |
| PH |
28.00 |
24.25-33.00 |
||
| PAm (mmHg) |
control |
23.00 |
21.75-24.00 |
<0.001 |
| PH |
40.50 |
34.00-47.75 |
||
| PCWP (mmHg) |
control |
10.00 |
8.00-11.25 |
0.037 |
| PH |
11.00 |
9.00-13.00 |
||
| Cardiac output (L/min) |
control |
4.88 |
4.45-5.74 |
0.330 |
| PH |
5.46 |
4.53-5.80 |
||
| Cardiac index (L/min/m2) |
Control |
2.79 |
2.28-2.95 |
0.742 |
| PH |
2.70 |
2.50-3.09 |
||
| PVR (dynes/s/cm5) |
control |
220.70 |
189.75-239.80 |
<0.001 |
| PH |
461.17 |
360.25-568.43 |
||
| SVR (dynes/s/cm5) |
control |
1472.50 |
1309.20-1657.50 |
0.475 |
| PH |
1376.70 |
1210.75-1667.25 |
||
| PVR/SVR |
control |
0.14 |
0.12-0.18 |
0.001 |
| PH |
0.35 |
0.24-0.41 |
||
| EF (%) | control |
60.00 |
60.00-65.00 |
0.907 |
| PH | 60.00 | 60.00-65.00 |
*Abbreviations: PH – pulmonary hypertension; PA – pulmonary artery diameter; A – aortal diameter; RVsis – systolic pressure in the right ventricle; RVd – diastolic pressure in the right ventricle; RVm – mean pressure in the right ventricle; PAs – systolic pressure in the pulmonary artery; PAd – diastolic pressure in the pulmonary artery; PAm – mean pressure in the pulmonary artery; PCWP – pulmonary capillary wedge pressure; PVR – pulmonary vascular resistance; SVR – systemic vascular resistance; EF – ejection fraction of the left ventricle.
†Mann-Whitney U test.