Table 1.
Baseline Characteristics, Clinical Presentation, and Stress Testing of Patients With ANOCOR at Risk (ANOCOR Involving Interarterial Course) 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 |
|---|---|---|---|---|
| Baseline characteristics | ||||
| Age, y | 60±13 | 57±14 | 58±14 | 0.069 |
| Sex (men) | 42 (78) | 22 (71) | 20 (87) | 0.200 |
| BMI, kg/m2 | 26.5±3.9 | 26.7±3.8 | 26.2±3.9 | 0.823 |
| Hypertension | 23 (43) | 14 (45) | 9 (39) | 0.783 |
| Dyslipidemia | 16 (30) | 11 (35) | 5 (22) | 0.368 |
| Diabetes mellitus | 6 (11) | 3 (10) | 3 (13) | 0.999 |
| Current smoker | 6 (11) | 6 (19) | 0 | 0.030 |
| Physical activity* | 18 (33) | 9 (29) | 9 (39) | 0.370 |
| Previous MI | 4 (8) | 3 (10) | 1 (4) | 0.296 |
| Cardiomyopathy | 1 (2) | 0 | 1 (4) | 0.999 |
| Valvular heart disease | 3 (6) | 2 (6) | 1 (4) | 0.563 |
| Clinical presentation | ||||
| Asymptomatic | 11 (20) | 7 (17) | 4 (17) | 0.999 |
| Atypical angina | 10 (19) | 7 (21) | 3 (13) | 0.791 |
| Angina | 11 (20) | 6 (21) | 5 (22) | 0.913 |
| Dyspnea | 11 (20) | 7 (21) | 4 (17) | 0.741 |
| Palpitations | 11 (20) | 5 (29) | 6 (26) | 0.304 |
| Acute coronary syndrome | 5 (9) | 3 (8) | 2 (9) | 0.999 |
| Syncope | 3 (6) | 3 (8) | 0 | 0.267 |
| Resuscitated cardiac arrest | 1 (2) | 1 | 0 | 0.999 |
| Documented ventricular tachycardia | 2 (4) | 0 | 2 (9) | 0.158 |
| Noninvasive stress testing | ||||
| Noninvasive stress test | 23 (43) | 15 (48) | 8 (35) | 0.283 |
| Myocardial scintigraphy | 11 (39) | 8 (26) | 3 (13) | 0.319 |
| Positive exercise test | 16 (30) | 10 (32) | 6 (26) | 0.999 |
| Silent ischemia | 12 (22) | 6 (19) | 6 (26) | 0.999 |
Data are given as number (percentage), unless otherwise indicated. ANOCOR indicates anomalous aortic origin of a coronary artery; BMI, body mass index; and MI, myocardial infarction.
*
Physical activity: expressed as >20 minutes of exercise 3 times a week.