Table 1.
Characteristics of the cohort stratified by CAA
| Patient Characteristics | No CAA N=50 |
Non-Obstructive N=50 |
Obstructive CAA N=50 |
Cohort N=150 |
|---|---|---|---|---|
| Age—mean ±SD* | 50±10 | 55±10 | 59±11 | 55±10 |
| Sex | ||||
| Female | 30 (60.0%) | 22 (44.0%) | 17 (34.0%) | 69 (46.0%) |
| Race‡‡ | ||||
| White | 17 (34.0%) | 21 (42.0%) | 35 (70.0%) | 73 (48.7%) |
| African American | 27 (54.0%) | 22 (44.0%) | 12 (24.0%) | 61 (40.7%) |
| Other | 6 (12.0%) | 7 (14.0%) | 3 (6.0%) | 16 (10.7%) |
| Ethnicity | ||||
| Hispanic | 0 (0.0%) | 2 (4.0%) | 1 (2.0%) | 3 (2.0%) |
| Not Hispanic | 50 (100.0%) | 48 (96.0%) | 49 (98.0%) | 147 (98.0%) |
| Risk Factors | ||||
| Smoking | ||||
| Current | 12 (24.0%) | 10 (20.0%) | 14 (28.0%) | 36 (24.0%) |
| Former | 11 (22.0%) | 20 (40.0%) | 14 (28.0%) | 45 (30.0%) |
| Hypertension | 20 (40.0%) | 29 (58.0%) | 39 (78.0%) | 88 (58.7%) |
| Hyperlipidemia | 12 (24.0%) | 30 (60.0%) | 32 (64.0%) | 74 (49.3%) |
| Diabetes | 5 (10.0%) | 13 (26.0%) | 20 (40.0%) | 38 (25.3%) |
| Prior AMI or CAD | 2 (4.0%) | 9 (18.0%) | 19 (38.0%) | 30 (20.0%) |
CAA= Coronary Artery Atherosclerosis, SD = standard deviation, AMI = acute myocardial infarction, CAD = coronary artery disease