Reported Symptoms During Stress Acquisition
| Symptoms during stress acquisitions | Adenosine* | Regadenoson | P |
| None | 6 (19.4%) | 9 (15.3%) | 0.357 |
| Typical chest pain | 10 (33.3%) | 8 (25.8%) | 0.409 |
| Respiratory | 16 (53.3%) | 11 (35.5%) | 0.095 |
| Gastrointestinal | 5 (16.7%) | 7 (22.6%) | 0.653 |
| Vasodilation | 12 (40.0%) | 14 (45.2%) | 0.859 |
| Other | 3 (10.0%) | 3 (9.7%) | 0.895 |
| General degree of discomfort† | 2.9 ± 1.1 | 2.6 ± 1.1 | 0.428 |
↵* Two surveys were missing from adenosine group.
↵† General degree of discomfort was expressed as a number from 1 (no discomfort at all) to 5 (very inconvenient). One patient in each group gave a deviant answer, and both of these patients were excluded from the analysis.
Data are n and percentage, or mean ± SD. Analysis was done using χ2 tests to identify differences between stress and rest acquisitions.