Table 2 MPA, RPA and LPA abnormalities detected by Echo and MDCT in the studied cases (n = 50)
From: 320 cardiac MDCT angiography in preoperative assessment of TOF and its variants: Does it worth it?
| Â | ECHO | CT | Marginal homogeneity test | |||
|---|---|---|---|---|---|---|
N | % | N | % | MH | P-value | |
MPA | ||||||
 Normal | 27 | 54.00 | 19 | 38.00 | 2.092 | 0.036* |
 Hypoplastic | 9 | 18.00 | 10 | 20.00 |  |  |
 Supra-valvular stenosis | 0 | 0.00 | 4 | 8.00 |  |  |
 Distal stenosis | 0 | 0.00 | 2 | 4.00 |  |  |
 Atresia with confluent pulmonary arteries | 10 | 20.00 | 13 | 26.00 |  |  |
 Atresia with non-confluent pulmonary arteries | 4 | 8.00 | 1 | 2.00 |  |  |
 Dilated | 0 | 0.00 | 1 | 2.00 |  |  |
RPA | ||||||
 Normal | 40 | 80.00 | 32 | 64.00 | 2.462 | 0.014* |
 Hypoplastic | 8 | 16.00 | 12 | 24.00 |  |  |
 Atresia | 2 | 4.00 | 1 | 2.00 |  |  |
 Ostial stenosis | 0 | 0.00 | 4 | 8.00 |  |  |
 Hypoplastic and ostial stenosis | 0 | 0.00 | 1 | 2.00 |  |  |
LPA | ||||||
 Normal | 40 | 80.00 | 32 | 64.00 | 2.278 | 0.023* |
 Hypoplastic | 8 | 16.00 | 13 | 26.00 |  |  |
 Atresia | 2 | 4.00 | 1 | 2.00 |  |  |
 Ostial stenosis | 0 | 0.00 | 2 | 4.00 |  |  |
 Hypoplastic and ostial stenosis | 0 | 0.00 | 2 | 4.00 |  |  |