Table 1.
Baseline characteristics for two patient cohorts
| Symmetric | Asymmetric | P value | |
|---|---|---|---|
| Number of patients | 37 | 27 | |
| Indication | 0.313 | ||
| Chest pain | 17 | 12 | |
| Other symptoms | 8 | 4 | |
| Abnormal prior imaging test | 7 | 4 | |
| Pre-surgical | 3 | 7 | |
| Othersa | 2 | 0 | |
| Age (year) | 54.1 ± 11.0 | 53.9 ± 15.4 | 0.954 |
| Sex (M:F) | 15:22 | 17:10 | 0.076 |
| Weight (lb) | 170.7 ± 37.0 | 177.8 ± 35.7 | 0.460 |
| BMI (kg/m2) | 27.8 ± 4.8 | 27.3 ± 4.1 | 0.679 |
| Cardiac risk factors | |||
| Hypertension | 23 | 12 | 0.206 |
| Dyslipidemia | 18 | 17 | 0.314 |
| Diabetes | 4 | 1 | 0.387 |
| Family history of CAD | 11 | 14 | 0.119 |
| Smoking | 2 | 5 | 0.122 |
| CAD history | 1 | 2 | 0.568 |
| Heart rate at CT scan (bpm) | 57.8 ± 5.8 | 54.9 ± 4.9 | 0.036 |
| Beta-blockade | 0.095 | ||
| None | 2 | 7 | |
| Orally | 5 | 5 | |
| 5 mg iv | 14 | 5 | |
| 6–10 mg iv | 8 | 3 | |
| >10 mg iv | 8 | 7 | |
a
Others include patients’ request, screenings due to strong risk factors, and follow-up after intervention