Clinical outcome (presentation NIHSS, change in NIHSS, discharge NIHSS, and modified Rankin) distribution according to pial collateral score and recanalization
| Pial Collateral Score | Recanalization | No. | Presentation NIHSS Score Median (Range) | Change in NIHSS Score Median (Range) | Discharge NIHSS Score Median (Range) | Discharge Modified Rankin Scale Score Median (Range) |
|---|---|---|---|---|---|---|
| 1 | Complete | 12 | 13.5 (4–23) | 9.5 (0–15) | 1.5 (0–19) | 1.5 (0.5) |
| Partial/none | 15 | 11 (5–30) | 2 (−12–11) | 10 (0–30) | 4 (0–5) | |
| 2 | Complete | 3 | 16 (14–16) | 12 (10–16) | 2 (0–6) | 2 (0–3) |
| Partial/none | 6 | 8.5 (5–21) | 0 (−6–6) | 10 (3–20) | 4 (1–5) | |
| 3 | Complete | 5 | 16 (12–21) | 9 (−10–15) | 6 (3–22) | 3 (1–5) |
| Partial/none | 5 | 17 (15–22) | 5 (1–9) | 14 (8–18) | 4 (4–4) | |
| 4 and 5 | Complete | 4 | 13.5 (7–26) | 1 (−16–5) | 10.5 (6–42) | 4.5 (4–6) |
| Partial/none | 3 | 19 (17–29) | 0 (−25–4) | 25 (19–42) | 5 (4–6) | |
| Total | Complete | 24 | 15 (4–26) | 9 (−16–16) | 5 (0–42) | 3 (0–6) |
| Partial/none | 29 | 15 (0–30) | 2 (−25–11) | 11 (0–42) | 4 (0–6) |