Table 2. Patient Symptoms, Stress Test Modalities, and Stress Test Results.
| Variable | No. (%) | P value | ||
|---|---|---|---|---|
| Overall | Asymptomatic patients | Symptomatic patients | ||
| No. of patients | 795 (100) | 65 (8.2) | 730 (91.8) | NA |
| Symptoms | ||||
| Chest pain | 591 (74.3) | 0 | 591 (81.0) | <.001 |
| Dyspnea | 398 (50.1) | 0 | 398 (54.5) | <.001 |
| Type of stress test | ||||
| Echocardiography | 44 (5.5) | 3 (4.6) | 41 (5.6) | .02 |
| Nuclear SPECT | 686 (86.3) | 50 (76.9) | 636 (87.1) | |
| Exercise ECG | 62 (8.0) | 12 (18.5) | 50 (6.8) | |
| CCTA | 1 (0) | 0 | 1 (0) | |
| Post-PCI stress test result | ||||
| Negative | 394 (49.6) | 38 (58.5) | 356 (48.8) | .39 |
| Positive | 353 (44.4) | 24 (36.9) | 329 (45.1) | |
| Nondiagnostic | 25 (3.1) | 2 (3.1) | 23 (3.2) | |
| Unavailable | 18 (2.3) | 1 (1.5) | 17 (2.3) | |
Abbreviations: CCTA, coronary computed tomographic angiography; ECG, electrocardiography; NA, not applicable; PCI, percutaneous coronary intervention; SPECT, single-photon emission computed tomography.