Table 2.
Distribution of CAD in AAOCA and normal-origin arteries
| N | AAOCA arteries | Normal-origin arteries | |||||
|---|---|---|---|---|---|---|---|
| Proximal segment | Distal segment | ||||||
| CAD | P-valuea | CAD | P-valuea | CAD | P-valuea | ||
| N = 108 (27.7%) | N = 132 (33.8%) | N = 280 (71.8%) | |||||
| Type of course | 390 | <0.001 | 0.017 | 0.147 | |||
| Prepulmonic | 25 | 7 (28.0) | 9 (36.0) | 21 (84.0) | |||
| Subpulmonic | 24 | 5 (20.8) | 9 (37.5) | 15 (62.5) | |||
| Interarterial | 122 | 0 (0.0) | 54 (44.3) | 81 (66.4) | |||
| Retroaortic | 219 | 96 (43.8) | 60 (27.4) | 163 (74.4) | |||
Results are expressed as n (%).
AAOCA, anomalous aortic origin of a coronary artery; CAD, coronary artery disease.
a
Chi-squared test or exact Fisher test.