Patient Characteristics
| Characteristic | Prone and supine (n = 655) | Supine-only (n = 3,179) |
|---|---|---|
| Age (y) | 66.7 ± 11.1 | 65.7 ± 12.3 |
| Male sex | 487 (74.4) | 1,899 (59.7)* |
| Hypertension | 319 (48.7) | 1,499 (47.2) |
| Diabetes | 100 (15.3) | 467 (14.7) |
| Hypercholesterolemia | 328 (50.1) | 1,466 (46.1) |
| Smoking | 81 (12.4) | 381 (12.0) |
| Family history of CAD | 169 (25.8) | 862 (27.1) |
| History of MI | 155 (23.7) | 800 (25.2) |
| History of revascularization | 216 (33.0) | 1,044 (32.8) |
| Digitalis use | 44 (6.7) | 269 (8.5) |
| Angina | 246 (37.6) | 1,216 (38.3) |
| Shortness of breath | 35 (5.3) | 178 (5.6) |
| Adenosine stress | 217 (33.1) | 1,071 (33.7) |
| Prescan likelihood of CAD | 0.39 ± 0.36 | 0.36 ± 0.34* |
| Abnormal rest ECG | 464 (70.8) | 2,308 (72.6) |
| SSS | 6.3 ± 8.8 | 6.5 ± 9.3 |
↵* P < 0.05.
MI = myocardial infarction.
Values in parentheses are percentage.