Clinical Characteristics of Study Group
| Variable | Entire study group (n = 275) | Subjects included in outcome analysis (n = 224) |
| Age (y) | 57 ± 12 | 58 ± 13 |
| Sex | ||
| Men | 112 (40) | 86 (38) |
| Women | 163 (60) | 138 (62) |
| Race | ||
| White | 82 (30) | 61 (27) |
| Black | 181 (66) | 159 (71) |
| Other | 12 (4) | 4 (2) |
| Body mass index (kg/m2) | 32 ± 9 | 32 ± 9 |
| Known CAD | 91 (33) | 87 (39) |
| History of prior myocardial infarction | 30 (11) | 26 (12) |
| Pretest CAD likelihood* | ||
| Low | 101 (37) | 82 (37) |
| Intermediate | 62 (22) | 43 (19) |
| High | 21 (8) | 12 (5) |
| History of smoking | 94 (34) | 83 (37) |
| History of hypertension | 175 (60) | 140 (63) |
| History of hyperlipidemia | 122 (44) | 101 (45) |
| History of diabetes mellitus | 90 (33) | 78 (34) |
| Medication at PET | ||
| β-Blocker | 50 (18) | 32 (14) |
| Angiotensin-converting enzyme inhibitor or angiotensin receptor blocker | 58 (21) | 46 (21) |
| Statin | 60 (22) | 44 (20) |
↵* Determined according to guidelines of American Heart Association.
Data are mean ± SD. Data in parentheses are percentages.