TABLE 1.
Risk factors in 58 patients with aneurysms on MR angiography screening compared with 246 patients with negative results
| Risk Factor | Aneurysm on MR Angiogram
|
No Aneurysm on MR Angiogram
|
||||
|---|---|---|---|---|---|---|
| Value | SD | Range | Value | SD | Range | |
| mean value | ||||||
| age (yrs) | 53.7 | 10.8 | 32–77 | 50.4 | 12.8 | 19–77 |
| alcohol-containing drinks/day | 0.47 | 0.88 | 0–4 | 0.81 | 1.68 | 0–10 |
| caffeinated coffee, cups/day | 4.94 | 4.72 | 0.5–30 | 4.43 | 3.96 | 0–27 |
| cigarette smoking, pack-years | 27.4 | 24.1 | 0–112.5 | 17.8 | 21.0 | 0–134 |
| highest grade completed | 12.2 | 2.37 | 7–20 | 13.3 | 2.84 | 5–24 |
| body mass index | 27.2 | 5.05 | 17–41 | 27.7 | 4.98 | 18–48 |
| duration of hypertension (yrs) | 6.52 | 9.84 | 0–34 | 4.43 | 8.00 | 0–35 |
| no. (%) | ||||||
| female sex | 44 (76) | 139 (57) | ||||
| ever smoked cigarettes | 52 (90) | 176 (72) | ||||
| ever smoked cigars | 1 (2) | 26 (11) | ||||
| history of diabetes | 5 (9) | 11 (5) | ||||
| history of elevated cholesterol | 18 (31) | 88 (36) | ||||
| history of hypertension | 29 (50) | 119 (48) | ||||
| marijuana use | 6 (10) | 22 (9) | ||||
*
SD = standard deviation.