Table 4.
Relationships between PAP and pulmonary artery stiffness indices.
| Mean PAP | Systolic PAP | |||||
|---|---|---|---|---|---|---|
| β | Individual (p) | Overall R² (p) | β | Individual (p) | Overall R² (p) | |
| Model A | ||||||
| Age | 0.025 ± 0.164 | 0.875 | 0.52 (<0.001) | 0.153 ± 0.129 | 0.249 | 0.51 (<0.001) |
| Gender | 4.591 ± 2.508 | 0.071 | 1.169 ± 1.552 | 0.457 | ||
| RV mass index | 0.851 ± 0.112 | 0.0001 | 1.250 ± 0.167 | <0.0001 | ||
| Model B | ||||||
| Age | −0.032 ± 0.152 | 0.983 | 0.59 (<0.001) | −0.017± 0.216 | 0.936 | 0.62 (<0.001) |
| Gender | 1.7826 ± 2.350 | 0.450 | 1.160 ± 3.337 | 0.729 | ||
| PA elastic modulus | 1.759 ± 0.020 | <0.0001 | 0.267 ± 0.028 | <0.0001 | ||
| Model C | ||||||
| Age | −0.023 ± 0.083 | 0.783 | 0.87 (<0.001) | −0.280 ± 0.179 | 0.122 | 0.87 (<0.001) |
| Gender | 1.159 ± 1.290 | 0.372 | 4.187 ± 6.486 | 0.520 | ||
| PWV | 3.758 ± 0.192 | <0.0001 | 5.596 ± 0.283 | <0.0001 | ||
| Model D | ||||||
| Age | −0.015 ± 0.080 | 0.845 | 0.89 (<0.001) | −0.009 ± 0.115 | 0.932 | 0.89 (<0.001) |
| Gender | 0.922 ± 1.232 | 0.425 | 0.613 ± 1.775 | 0.972 | ||
| RV mass index | 0.057 ± 0.051 | 0.217 | 0.077 ± 0.074 | 0.297 | ||
| PA elastic modulus | 0.037 ± 0.015 | 0.020 | 0.071 ± 0.022 | 0.002 | ||
| PWV | 3.009 ± 0.349 | <0.0001 | 4.261 ± 0.504 | <0.0001 | ||
Abbreviations:: regression coefficient β is given for mean PAP and systolic PAP. Adjustment models: model A: age, gender; RVmass index; model B: age, gender; minimal PA area; model C: age, gender; PWV; model D: age, gender; RV mass index, PA elastic modulus and PWV. Abbreviations: RV, right ventricle; PA, pulmonary artery; PAP, pulmonary artery pressure; PWV, pulse wave velocity.