Table 4.
Correlation between pulmonary artery pressure and CTPA features by Spearman test.
| Mean ± SD (n = 55) | mPAP (n = 55) | sPAP (n = 54) | dPAP (n = 54) | TPR (n = 48) | |
|---|---|---|---|---|---|
| MPAd (mm) | 34.48 ± 3.98 | r = −0.107 (p = 0.435) | r = −0.185 (p = 0.180) | r = 0.011 (p = 0.938) | r = −0.115 (p = 0.435) |
| RPAd (mm) | 24.33 ± 3.01 | r = −0.149 (p = 0.277) | r = −0.115 (p = 0.410) | r = −0.065 (p = 0.640) | r = −0.250 (p = 0.087) |
| LPAd (mm) | 25.42 ± 4.61 | r = −0.120 (p = 0.381) | r = 0.050 (p = 0.721) | r = −0.156 (p = 0.261) | r = −0.170 (p = 0.249) |
| AAd (mm) | 29.81 ± 4.61 | r = −0.265 (p = 0.050) | r = −0.279 (p = 0.041) * | r = −0.183 (p = 0.186) | r = −0.156 (p = 0.289) |
| MPAd/AAd | 1.17 ± 0.17 | r = −0.212 (p = 0.121) | r = 0.175 (p = 0.216) | r = 0.208 (p = 0.131) | r = 0.091 (p = 0.539) |
| RPAd/LPAd | 0.988 ± 0.235 | r = −0.034 (p = 0.806) | r = −0.194 (p = 0.161) | r = 0.051 (p = 0.731) | r = 0.004 (p = 0.978) |
| LVd (mm) | 39.78 ± 8.51 | r = −0.208 (p = 0.123) | r = −0.348 (p = 0.009) ** | r = −0.183 (p = 0.181) | r = −0.107 (p = 0.470) |
| RVd (mm) | 44.39 ± 5.62 | r = 0.227 (p = 0.092) | r = 0.243 (p = 0.074) | r = 0.207 (p = 0.129) | r = 0.195 (p = 0.185) |
| RVd/LVd | 1.17 ± 0.34 | r = 0.302 (p = 0.023) * | r = 0.416 (p = 0.002) ** | r = 0.270 (p = 0.046) * | r = 0.259 (p = 0.075) |
| LAd (mm) | 29.60 ± 6.52 | r = −0.400 (p = 0.002) ** | r = −0.351 (p = 0.009) ** | r = −0.318 (p = 0.018) ** | r = −0.453 (p = 0.001) ** |
| RAd (mm) | 46.47 ± 7.49 | r = 0.024 (p = 0.859) | r = −0.058 (p = 0.675) | r = 0.038 (p = 0.783) | r = 0.182 (p = 0.216) |
| RAd/LAd | 1.64 ± 0.45 | r = 0.333 (p = 0.012) * | r = 0.203 (p = 0.138) | r = 0.328 (p = 0.015) * | r = 0.512 (p = 0.000) ** |
| LAa (mm2) | 1746.44 ± 621.63 | r = −0.470 (p = 0.000) ** | r = −0.445 (p = 0.001) ** | r = −0.409 (p = 0.002) ** | r = −0.494 (p = 0.000) ** |
| RAa (mm2) | 2761.05 ± 912.31 | r = 0.067 (p = 0.622) | r = −0.003 (p = 0.982) | r = −0.043 (p = 0.754) | r = 0.192 (p = 0.185) |
| LVa (mm2) | 2425.86 ± 779.36 | r = −0.155 (p = 0.254) | r = 0.267 (p = 0.049) * | r = −0.120 (p = 0.381) | r = −0.124 (p = 0.398) |
| RVa (mm2) | 3210.62 ± 830.67 | r = 0.257 (p = 0.055) | r = 0.262 (p = 0.054) | r = 0.191 (p = 0.163) | r = 0.182 (p = 0.210) |
Note. AAd, diameter of ascending aorta; LAa, left atrium area; LAd, diameter of left atrium; LPAd, diameter of left pulmonary artery; LVa, left ventricular area; LVd, diameter of left ventricle; MPAd, diameter of main pulmonary artery; MPAd/AAd, the ratio of diameter of main pulmonary artery to diameter of ascending aorta; RAa, right atrium area; RAd, diameter of right atrium; RAd/LAd, the ratio of diameter of right atrium to diameter of left atrium; RPAd, diameter of right pulmonary artery; RVa, right ventricular area; RVd, diameter of right ventricle; RVd/LVd, the ratio of diameter of right ventricle to diameter of left ventricle. * p < 0.05; ** p < 0.001.