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Table 2 Left- vs Right-Hemispheric Strokes, Baseline and Post-Treatment Characteristics and Outcome

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

 

Left hemisphere (n = 35)

Right hemisphere

(n = 35)

P value

Test

Age, y, mean ± SD

68.9 ± 18.0

65.3 ± 18.9

0.41

Student's T

Female, no. (%)

22 (62.9)

16 (45.7)

0.23

Fisher's exact

Baseline NIHSS score, median (IQR)

20 (17-22)

16 (14-19)

0.02

Mann-Whitney

Admission Glucose, mean ± SD

133.8 ± 35.9

151.1 ± 49.8

0.10

Student's T

Admission SBP, mean ± SD

148.6 ± 30.4

168.4 ± 31.3

0.009

Student's T

Atrial fibrillation, no. (%)

18 (51.4)

14 (40)

0.47

Fisher's exact

Diabetes, no. (%)

8 (22.9)

10 (28.6)

0.79

Fisher's exact

IV tPA treatment, no. (%)

12 (34.3)

17 (48.6)

0.33

Fisher's exact

Time to imaginga, minutes, mean ± SD

215.1 ± 142.8

176.2 ± 131.4

0.24

Student's T

Baseline NCCT ASPECTS, median (IQR)

8 (6-8.75)

8 (6-9.75)

0.22

Mann-Whitney

Baseline CTA-SI ASPECTS, median (IQR)

5 (2-7)

5 (3-7)

0.59

Mann-Whitney

ICA:M1:M2, no.

10:20:05

11:20:04

0.92

Chi-square

Time to vessel openinga, minutes, mean ± SD

420.0 ± 159.8

402.5 ± 148.1

0.63

Student's T

Mori reperfusion score, median (IQR)

2 (1-3)

2 (1-3)

0.44

Mann-Whitney

Post-treatment hemorrhage, no. (%)

17 (51.5)b

22 (62.9)

0.34

Fisher's exact

Good 3-month outcome (mRS ≤ 2), no. (%)

9 (25.7)

10 (28.6)

0.99

Fisher's exact

  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.
  2. a Defined as time from stroke onset; b Denominator is 33 patients who had available follow-up imaging.