Table 2.
Comparing clinical characteristics of exercise vs. adenosine patients
| Exercise (n = 820) | Adenosine (n =793) | p value | |
|---|---|---|---|
| Age, years | 57 ± 12 | 64 ± 13 | <0.0001 |
| Men | 507 (62%) | 412 (52%) | <0.001 |
| Prior CAD | 102 (12%) | 193 (24%) | <0.001 |
| Previous MI | 46 (6%) | 100 (13%) | <0.001 |
| Body mass index, kg/m2 | 28 ± 6 | 30 ± 9 | <0.0001 |
| CAD risk factors | |||
| Hypertension | 429 (52%) | 580 (73%) | <0.001 |
| Diabetes | 122 (15%) | 225 (28%) | <0.001 |
| Hypercholesterolemia | 481 (59%) | 464 (59%) | 0.9 |
| Family history | 149 (18%) | 105 (13%) | 0.007 |
| Smoking | 64 (8%) | 53 (7%) | 0.4 |
| Symptom class | |||
| Asymptomatic | 229 (28%) | 267 (34%) | 0.01 |
| Nonanginal pain | 23 (3%) | 44 (6%) | 0.006 |
| Atypical angina | 469 (57%) | 340 (43%) | <0.001 |
| Typical angina | 19 (2%) | 28 (4%) | 0.1 |
| Shortness of breath | 80 (10%) | 114 (14%) | 0.004 |
| Isotope type | |||
| Rest/stress MIBI | 515 (63%) | 494 (62%) | 0.8 |
| Stress Tl/rest MIBI | 279 (34%) | 265 (33%) | 0.8 |
| Rest TL/stress MIBI | 26 (3%) | 34 (4%) | 0.2 |
| sTPD, % | 2.1 ± 3.8 | 4.7 ± 7.0 | <0.001 |
| SSS%myo, % | 1.0 ± 3.7 | 3.1 ± 6.9 | <0.001 |
| iTPD, % | 1.3 ± 2.1 | 2.4 ± 3.1 | <0.001 |
| SDS%myo, % | 0.5 ± 1.8 | 1..5 ± 3.1 | <0.001 |
| stress LVEF, % | 64 ± 11 | 60 ± 13 | <0.001 |
| rest LVEF, % | 62 ± 12 | 60 ± 14 | <0.001 |