Table 2.
Coronary Angiography, CT, and FFRCT Evaluation, According to Patients With ANOCOR at Risk and Not at Risk
| Variable | Overall (N=54) | At Risk (N=31) | Not at Risk (N=23) | P Value for at Risk vs Not at Risk |
|---|---|---|---|---|
| Coronary angiography for non‐ANOCOR vessels | N=50 | N=31 | N=19 | |
| No atheroma | 17 (34) | 12 (38) | 5 (26) | 0.220 |
| Atheroma <50% | 14 (28) | 8 (26) | 6 (32) | 0.506 |
| Atheroma >50% | 19 (38) | 11 (35) | 8 (42) | 0.999 |
| Coronary angiography for ANOCOR vessel | N=50 | N=31 | N=19 | |
| No stenosis | 26 (52) | 16 (52) | 10 (53) | 0.999 |
| Stenosis <50% | 16 (32) | 12 (39) | 4 (21) | 0.999 |
| Stenosis >50% | 8 (16) | 3 (10) | 5 (26) | 0.236 |
| CCTA of ANOCOR vessel | N=56 | N=33 | N=23 | |
| Left main artery | 8 (14) | 2 (6) | 6 (26) | 0.053 |
| Left circumflex artery | 16 (29) | 0 | 16 (69) | 0.001 |
| Right coronary artery | 32 (57) | 31 (94) | 1 (4) | <0.001 |
| CCTA ANOCOR course | N=56 | N=33 | N=23 | |
| Retroaortic | 15 (27) | 2 (6) | 13 (57) | <0.001 |
| Interarterial | 31 (55) | 31 (94) | 0 | <0.001 |
| Prepulmonar | 7 (13) | 0 | 7 (30) | 0.003 |
| Subpulmonar | 3 (5) | 0 | 3 (13) | 0.058 |
| FFRCT values | ||||
| Downstream to ANOCOR course | 0.87±0.20 | 0.90±0.10 | 0.91±0.09 | 0.516 |
| Distal to ANOCOR | 0.82±0.11 | 0.83±0.11 | 0.81±0.11 | 0.499 |
| Left anterior descending artery | 0.85±0.09 | 0.85±0.10 | 0.86±0.06 | 0.803 |
| Left circumflex artery | 0.91±0.08 | 0.92±0.07 | 0.90±0.09 | 0.224 |
| Right coronary artery | 0.89±0.05 | 0.86±0.05 | 0.90±0.06 | 0.201 |
Data are given as number (percentage) or mean±SD. ANOCOR indicates anomalous aortic origin of a coronary artery; CCTA, coronary CT angiography; CT, computed tomography; and FFRCT, fractional flow reserve derived from CT.