Table 2.
Participant demographics by subgroup
| Characteristic | Overalla | 2D DST—Uniteda | 3D DMI—Uniteda | 3D DMI—3D DMIa | United—Uniteda |
|---|---|---|---|---|---|
| n = 154 | n = 56 | n = 49 | n = 24 | n = 25 | |
| Male | 99/154 (64%) | 37/56 (66%) | 32/49 (65%) | 17/24 (71%) | 13/25 (52%) |
| Age | 58 (12) | 56 (15) | 60 (9) | 59 (9) | 56 (11) |
| BMI | 29 (6) | 29 (6) | 29 (6) | 29 (3) | 29 (5) |
| Stress agent | |||||
| Adenosine | 4/154 (3%) | 0/56 (0%) | 4/49 (8.2%) | 0/24 (0%) | 0/25 (0%) |
| Dipyridamole | 150/154 (97%) | 56/56 (100%) | 45/49 (94%) | 24/24 (100%) | 25/25 (100%) |
| PET angina | 2/154 (1%) | 1/56 (1.8%) | 0/49 (0%) | 0/24 (0%) | 1/25 (4.0%) |
| PET ST depression > 1 mm | 7/154 (5%) | 5/56 (8.9%) | 1/49 (2.1%) | 0/24 (0%) | 1/25 (4.0%) |
| Prior PCI | 21/154 (14%) | 12/56 (21%) | 7/49 (14.3%) | 1/24 (4.2%) | 1/25 (4.0%) |
| Prior CABG | 6/154 (4%) | 5/56 (8.9%) | 0/49 (0%) | 0/24 (0%) | 1/25 (4.0%) |
| History of MI | 12/154 (12%) | 8/56 (14%) | 3/49 (6.3%) | 0/24 (0%) | 1/25 (4.0%) |
| Any coronary calcium | 99/154 (64%) | 41/56 (73%) | 31/49 (63%) | 17/24 (71%) | 10/25 (40%) |
| History of hypertension | 85/154 (55%) | 29/56 (52%) | 33/49 (67%) | 13/24 (54%) | 10/25 (40%) |
| History of dyslipidaemia | 88/154 (57%) | 33/56 (59%) | 32/49 (65%) | 13/24 (54%) | 10/25 (40%) |
| History of diabetes | 40/154 (26%) | 15/56 (27%) | 15/49 (31%) | 5/24 (21%) | 5/25 (20%) |
| History of smoking | |||||
| Non-smoker | 119/154 (77%) | 43/56 (77%) | 36/49 (75%) | 16/24 (67%) | 24/25 (96%) |
| Quit | 11/154 (7%) | 8/56 (14%) | 1/49 (2.1%) | 2/24 (8.3%) | 0/25 (0%) |
| Smoker | 23/154 (15%) | 5/56 (8.9%) | 11/49 (23%) | 6/24 (25%) | 1/25 (4.0%) |
CABG, coronary artery bypass surgery; MI, myocardial infarction.
a n/n (%); mean (SD).