Change in NIHSS score at 2 h after baseline | Good functional outcome (mRS 0–2 at 3 months) (n (%)) (p = 0.01) | |
HMCAS-D | HMCAS-P | |
<0 (i.e. worsening) | 20 (27.4%) | 12 (10.1%) |
= 0 (no change) | 34 (19.9%) | 29 (12.9%) |
= 1 (improvement) | 23 (37.1%) | 6 (7.1%) |
= 2 | 28 (40.6%) | 15 (23.1%) |
= 3 | 27 (42.2%) | 17 (40.5%) |
= 4 | 20 (43.5%) | 5 (15.6%) |
= 5 | 11 (39.3%) | 10 (50.0%) |
>5 | 115 (71.4%) | 29 (49.2%) |
HMCAS-D, hyperdense middle cerebral artery sign, disappearance; HMCAS-P, hyperdense middle cerebral artery sign, persistence; mRS, median Rankin Scale score; NIHSS, National Institute of Health Stroke Scale.