Predictors of functional outcome vary by the hemisphere of involvement in major ischemic stroke treated with intra-arterial therapy: a retrospective cohort study

Table 1 Baseline and Post-Treatment Clinical and Imaging Characteristics, Entire Cohort (n = 70 patients)

Age, y, mean ± SD (range)	67.1 ± 18.4 (18-93)
Female, no. (%)	38 (54.3)
Baseline NIHSS score, median (IQR), range	18 (14-21), 4-30
Admission Glucose level, mean ± SD	142.5 ± 44.0
Admission SBP, mean ± SD	158.4 ± 32.2
Atrial fibrillation, no. (%)	32 (45.7)
Diabetes, no. (%)	18 (25.7)
IV tPA treatment, no. (%)	29 (41.4)
Time to imaging^a, minutes, mean ± SD	195.6 ± 137.6
Baseline NCCT ASPECTS, median (IQR), range	8 (6-9), 2-10
Baseline CTA-SI ASPECTS, median (IQR), range	5 (3-7), 0-10
ICA:M1:M2, no.	21:40:9
Time to vessel opening^a, minutes, mean ± SD	411.2 ± 153.2
Mori reperfusion score, median (IQR), range	2 (1-3)
Post-treatment hemorrhage, no. (%)	39 (58.2)^b
Good 3-month outcome (mRS ≤ 2), no. (%)	19 (27.1)

Abbreviations: NIHSS, National Institutes of Health Stroke Scale; SBP, systolic blood pressure; IV tPA, intravenous tissue plasminogen activator; NCCT, noncontrast head CT; CTA-SI, CT angiographic source images; ASPECTS, Alberta Stroke Program Early CT Score; ICA, internal carotid artery; M1, middle cerebral artery stem (M1 segment); M2, middle cerebral artery post-bifurcation segment (M2 segment); mRS, modified Rankin Scale score.
^a Defined as time from stroke onset.
^b Denominator is 67 patients who had available follow-up imaging.