Baseline characteristics of the full MR CLEAN cohort and subgroups included and not included in this study
| MR CLEAN Subgroup Included (n = 199) | MR CLEAN Not Included (n = 301) | MR CLEAN Full Cohort (n = 500) | |
|---|---|---|---|
| Mean age (yr) | 65 (range, 31–93) | 66 (range, 23–96) | 65 (range, 23–96) |
| Male sex (%) | 62 (124/199) | 56 (168/301) | 58 (292/500) |
| Median NIHSS score | 18 (IQR, 14–22) | 17 (IQR, 15–21) | 18 (IQR, 14–22) |
| Median ASPECTS | 9 (IQR, 8–10) | 9 (IQR, 7–10) | 9 (IQR, 8–10) |
| Diabetes mellitus (%) | 11 (21/199) | 16 (47/301) | 14 (68/500) |
| Atrial fibrillation (%) | 27 (54/199) | 27 (81/301) | 27 (135/500) |
| Previous stroke (%) | 10 (20/199) | 11 (34/301) | 11 (54/500) |
| IAT (%) | 39 (78/199) | 51 (155/301) | 47 (233/500) |
| Median thrombus length (mm) (n = 186) | 15.6 (IQR, 10.3–22.2) (range, 4.8–39.5) | ||
| Median thrombus volume (mm3) (n = 186) | 70.1 (IQR, 49.3–113.3) (range, 6.1–456.7) | ||
| Median distance to thrombus (mm) | 6.4 (IQR, 0.0–13.5) (range, 0.0–38.2) | ||
| T-occlusion (%) | 23 (46/199) | 29 (88/301) | 27 (134/500) |
| Median density thrombus NCCT (HU) | 49.0 (IQR, 44.5–55.4) (range, 33.1–67.8) | ||
| Median relative density thrombus NCCT (%) | 134.4 (IQR, 116.8–151.7) (range, 65.8–274.4) | ||
| Median density thrombus CTA (HU) | 61.4 (IQR, 52.6–72.1) (range, 38.5–134.3) | ||
| Median relative density thrombus CTA (%) | 29.8 (IQR, 21.4–40.8) (range, 12.2–94.7) | ||
| Median thrombus attenuation increase (HU) | 11.4 (IQR, 0.1–22.5) (range, −9.9–80.0) | ||
| Median thrombus void fraction (%) | 6.0 (IQR, 0.08–15.4) (range, −8.9–61.8) |