Table 1 Morphological types of PDA correlated with the size of PDA, pulmonary artery, and aortic diameters
Type of PDA by CT | ANOVA | ||||||
|---|---|---|---|---|---|---|---|
A (cone) | B (window) | C (tubular) | D (complex) | E (elongated) | F | P value | |
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |||
Size of aortic end (mm) | 4.679 ± 1.829 | 1.750 ± 0.354 | 5.929 ± 1.359 | 4.325 ± 1.615 | 5.767 ± 1.531 | 2.920 | 0.041* |
Size of pulmonary end (mm) | 2.423 ± 1.041 | 2.150 ± 0.778 | 3.843 ± 2.174 | 3.350 ± 1.248 | 3.333 ± 1.290 | 1.386 | 0.269 |
Length of PDA (mm) | 10.414 ± 4.981 | 2.000 ± 0.000 | 14.214 ± 8.316 | 13.425 ± 3.820 | 16.667 ± 5.033 | 2.565 | 0.063 |
Diameter of MPA (mm) | 11.250 ± 7.119 | 13.500 ± 9.192 | 9.000 ± 6.030 | 5.500 ± 5.196 | 8.700 ± 2.404 | 0.765 | 0.559 |
Diameter of RPA (mm) | 9.021 ± 5.911 | 7.000 ± 1.414 | 5.517 ± 3.099 | 6.525 ± 3.233 | 3.000 ± 2.193 | 1.302 | 0.298 |
Diameter of LPA (mm) | 8.143 ± 6.094 | 7.500 ± 3.253 | 5.114 ± 2.477 | 7.100 ± 3.806 | 4.167 ± 1.332 | 0.728 | 0.582 |
Diameter of descending aorta (mm) | 7.900 ± 4.783 | 8.500 ± 3.536 | 7.686 ± 1.432 | 7.375 ± 1.601 | 7.667 ± 1.155 | 0.037 | 0.997 |
Diameter of aortic isthmus (mm) | 8.043 ± 6.618 | 7.800 ± 8.768 | 7.671 ± 3.924 | 8.750 ± 5.560 | 12.167 ± 3.686 | 0.358 | 0.836 |