TABLE 2.
Comparison of parameters between the training set and the validation set after random grouping.
| Parameter | Training set (n = 150) | Validation set (n = 146) | p-value |
| Age (year) | 60.25 ± 14.49 | 60.97 ± 14.46 | 0.630 |
| Sex (male/female) | 72/78 | 60/86 | 0.232 |
| MPA inlet CSA (100 mm2) | 8.12 ± 2.50 | 7.86 ± 2.25 | 0.346 |
| MPA outlet CSA (100 mm2) | 8.97 ± 2.68 | 8.63 ± 2.61 | 0.272 |
| RPA inlet CSA (100 mm2) | 5.30 ± 1.96 | 5.11 ± 1.77 | 0.377 |
| LPA inlet CSA (100 mm2) | 4.94 ± 1.75 | 4.94 ± 1.92 | 0.973 |
| MPA inlet hydraulic diameter (10 mm) | 2.89 ± 0.43 | 2.85 ± 0.41 | 0.329 |
| MPA outlet hydraulic diameter (10 mm) | 3.00 ± 0.45 | 2.97 ± 0.47 | 0.575 |
| RPA inlet hydraulic diameter (10 mm) | 2.31 ± 0.36 | 2.29 ± 0.39 | 0.648 |
| LPA inlet hydraulic diameter (10 mm) | 2.20 ± 0.33 | 2.23 ± 0.34 | 0.458 |
| MPA inlet maximal diameter (10 mm) | 2.82 ± 0.39 | 2.77 ± 0.36 | 0.278 |
| MPA outlet maximal diameter (10 mm) | 3.12 ± 0.47 | 3.04 ± 0.43 | 0.135 |
| RPA inlet maximal diameter (10 mm) | 2.19 ± 0.40 | 2.14 ± 0.35 | 0.269 |
| LPA inlet maximal diameter (10 mm) | 2.09 ± 0.40 | 2.14 ± 0.36 | 0.546 |
| MPA bifurcation area (100 mm2) | 0.70 ± 0.52 | 0.61 ± 0.46 | 0.141 |
| MPA bifurcation angle (°) | 148.55 ± 27.48 | 151.38 ± 22.12 | 0.849 |
| MPA bifurcation volume (1000 mm3) | 13.76 ± 5.70 | 13.62 ± 6.97 | 0.329 |
| MPA dilation (+)/(−) | 26/124 | 18/128 | 0.226 |
| Adverse events (+)/(−) | 21/129 | 13/133 | 0.169 |
MPA, main pulmonary artery; RPA, right pulmonary artery; LPA, left pulmonary artery; CSA, cross-sectional area.