TABLE 1.
Demographics of the study population
| Cocaine users (group 1, n=13) | Non-cocaine users (group 2, n=33) | P | |
|---|---|---|---|
| Age, years (mean ± SD) | 37.8±96 | 62.9±17 | 0.001 |
| Male sex, n (%) | 9 (69.2) | 16 (48.5) | NS |
| African-American, n (%) | 12 (92) | 32 (97) | 0.49 |
| Prior hypertension, n (%) | 9 (69.2) | 22 (66.7) | NS |
| Cigarette smoking, n (%) | 13 (100) | 15 (45.5) | 0.001 |
| Diabetes mellitus, n (%) | 0 | 8 (24.2) | NS |
| Marfan syndrome | 0 | 0 | NA |
| Bicuspid aortic valve | 0 | 0 | NA |
| Prior aortic surgery, n (%) | 0 | 2 (6.1) | NS |
| Type A dissection, n (%) | 4 (30.8) | 32 (97) | 0.001 |
| Type B dissection, n (%) | 9 (69.2) | 1 (3) | 0.001 |
| Accelerated hypertension, n (%) | 10 (76.9) | 11 (33.3) | 0.01 |
| Myocardial ischemia, n (%) | 6 (46.2) | 7 (21.2) | NS |
| Myocardial infarction, n (%) | 0 | 5 (15.2) | NS |
| Inpatient mortality, n (%) | 1 (7.7) | 4 (12.1) | NS |
| Outpatient mortality, n (%) | 9 (75) | 4 (13.7) | 0.01 |
P<0.05 was considered to be significant. NA Not applicable; NS Not significant