Table 2:
Baseline characteristics of the full MR CLEAN subgroups included in this study stratified by treatment
| IAT (n = 78) | Control (n = 121) | |
|---|---|---|
| Mean age (yr) | 63 (range, 43–87) | 66 (range, 31–93) |
| Male sex (%) | 67 (52/78) | 56 (72/121) |
| Median NIHSS | 17 (IQR, 13–21) | 19 (IQR, 14–23) |
| Median ASPECTS | 9 (IQR, 8–10) | 9 (IQR, 8–10) |
| Diabetes mellitus (%) | 9 (7/78) | 12 (14/121) |
| Atrial fibrillation (%) | 22 (17/78) | 31 (37/121) |
| Previous stroke (%) | 14 (11/78) | 7 (9/121) |
| Median thrombus length (mm) (n = 186) | 16.2 (IQR, 11.6–22.0) (range, 4.8–39.5) | 15.2 (IQR, 10.3–22.3) (range, 4.8–39.5) |
| Median thrombus volume (mm3) (n = 186) | 69.3 (IQR, 51.7–111.9) (range, 6.1–329.0) | 70.9 (IQR, 43.8–115.5) (range, 11.4–456.7) |
| Median distance to thrombus (mm) | 6.8 (IQR, 0.0–12.8) (range, 0.0–38.2) | 6.4 (IQR, 0.0–13.5) (range, 0.0–38.2) |
| T-occlusion (%) | 26 (20/78) | 21 (26/121) |
| Median density thrombus NCCT (HU) | 49.0 (IQR, 45.2–55.2) (range, 33.1–67.8) | 48.9 (IQR,44.1–55.4) (range, 33.1–67.8) |
| Median relative density thrombus NCCT (%) | 137.4 (IQR, 116.0–151.4) (range, 84.8–213.0) | 131.2 (IQR, 117.7–151.7) (range, 65.8–274.4) |
| Median density thrombus CTA (HU) | 61.2 (IQR, 53.3–68.7) (range, 38.5–134.3) | 61.9 (IQR, 52.5–75.1) (range, 38.5–134.3) |
| Median relative density thrombus CTA (%) | 29.6 (IQR, 23.2–37.9) (range, 12.2–94.7) | 29.8 (IQR, 20.5–43.9) (range, 12.5–88.7) |
| Median thrombus attenuation increase (HU) | 12.3 (IQR, 0.74–19.6) (range, −9.9–80.0) | 11.2 (IQR, −0.9–28.5) (range, −9.9–80.0) |
| Median thrombus void fraction (%) | 5.8 (IQR, 0.99–12.3) (range, −8.9–61.8) | 6.1 (IQR, −0.47–16.8) (range, −8.9–61.8) |