Characteristics of participants grouped by adventitial enhancement category and IPH presencea
| Adventitial Enhancement | IPH | ||||||
|---|---|---|---|---|---|---|---|
| Category 0 (n = 7) | Category 1 (n = 16) | Category 2 (n = 24) | P | No. (n = 25) | Yes (n = 22) | P | |
| Age (yr) | 68.7 ± 11 | 71.2 ± 9.6 | 74.4 ± 9.7 | .34 | 70.5 ± 11 | 74.8 ± 8.3 | .15 |
| Female | 2 | 3 | 6 | .84 | 9 | 2 | .03 |
| Active smoker | 0 | 5 | 2 | .07 | 5 | 2 | .27 |
| Diabetes mellitus | 2 | 3 | 2 | .36 | 4 | 3 | .57 |
| Hypertension | 3 | 9 | 14 | .76 | 14 | 12 | .58 |
| Hyperlipidemia | 4 | 5 | 11 | .46 | 11 | 9 | .53 |
| Statin use | 5 | 14 | 18 | .56 | 21 | 16 | .28 |
| Aspirin use | 4 | 12 | 13 | .40 | 15 | 14 | .52 |
| TIA/stroke (%) | 14 | 48 | 63 | .02 | 9 | 15 | .03 |
| Stenosis (%) | 53 ± 25 | 54 ± 30 | 62 ± 26 | .62 | 47 ± 29 | 71 ± 19 | .002 |
| Maximum wall thickness (mm) | 4.63 ± 1.84 | 4.75 ± 1.55 | 4.82 ± 1.14 | .95 | 4.42 ± 1.60 | 5.13 ± 0.99 | .04 |
↵a Data are expressed as mean ± SD or number of participants. Based on data from reader 1.