Baseline characteristics, specified by patients with stroke with and without IAT
| IAT Total (%) | Non-IAT Total (%) | P Value | |
|---|---|---|---|
| Age (mean) (range) (yr) | 65 (42–85) | 60 (35–81) | .23a |
| Sex (male) | 10 (71%) | 18 (51%) | .34b |
| Hypertension | 4 (29%) | 18 (51%) | .21b |
| Hyperlipidemia | 7 (50%) | 18 (51%) | .99b |
| Diabetes mellitus | 0 (0%) | 4 (11%) | .31b |
| Current smoking | 3 (21%) | 12 (34%) | .46c |
| Former smoking | 5 (36%) | 7 (20%) | .46c |
| Atrial fibrillation | 3 (21%) | 4 (11%) | .39b |
| NIHSS score (mean) (range) | 10.5 (3–20) | 6.3 (0–21) | .02a |
| TOAST criteria30 | .62c | ||
| Large-artery atherosclerosis | 7 (50%) | 21 (60%) | |
| Cardioembolism | 4 (29%) | 5 (14%) | |
| Small-vessel occlusion | 0 (0%) | 0 (0%) | |
| Other determined etiology | 1 (7%) | 5 (14%) | |
| Undetermined | 2 (14%) | 4 (12%) | |
| Time to 7T MR imaging (mean) (SD) (day) | 55 (±22) | 16 (±23) | <.001a |
| Time to 7T MR imaging (median) (range) (day) | 58 (22–87) | 6 (1–84) |