Table 3.
Comparison of CAD prevalence in proximal and distal segments of AAOCA
| Type of course | CAD N (%) | Crude OR | 95% CI | P-valuea |
|---|---|---|---|---|
| Prepulmonic (N = 25) | ||||
| Proximal segment | 7 (28.0) | 0.7 | 0.2–2.3 | 0.566 |
| Distal segment | 9 (36.0) | |||
| Subpulmonic (N = 24) | ||||
| Proximal segment | 5 (20.8) | 0.4 | 0.1–1.7 | 0.220 |
| Distal segment | 9 (37.5) | |||
| Interarterial (N = 122) | ||||
| Proximal segment | 0 (0.0) | Not estimated | ||
| Distal segment | 54 (44.3) | |||
| Retroaortic (N = 219) | ||||
| Proximal segment | 96 (43.8) | 3.1 | 1.8–5.4 | <0.001 |
| Distal segment | 60 (27.3) |
Results are expressed as n (%).
AAOCA, anomalous aortic origin of a coronary artery; CAD, coronary artery disease; CI, confidence interval; OR, odds ratio.
a
Conditional logistic regression paired at the ectopic course binary variable.