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Table 3 Correlation between imaging data (ASPECTS and ASL) and clinical outcome (modified Rankin score) in acute stroke patients

From: Role of arterial spin labeling magnetic resonance perfusion in acute ischemic stroke

Imaging data

mRS category

t

p

Favorable (n = 14)

Poor (n = 19)

ASPECT

Mean ± SD

8.21 ± 0.43

5.68 ± 2.31

4.666*

 < 0.001*

Median (Min.–Max.)

8 (8–9)

7 (0–8)

ASL aCBF

Mean ± SD

20.29 ± 4.32

15.79 ± 4.04

3.070*

0.004*

Median (Min.–Max.)

21.5 (10–25)

14 (8–22)

ASL rCBF

Mean ± SD

79.14 ± 4.24

67 ± 8.55

4.876*

 < 0.001*

Median (Min.–Max.)

79.5 (73–89)

69 (42–79)

  1. aCBF absolute cerebral blood flow, ASL arterial spin labeling, ASPECT Alberta Stroke Program Early CT Score, mRS modified Rankin score, p p value for comparing between mRS class and radiological data, rCBF relative cerebral blood flow, SD Standard deviation, t Student t-test
  2. *Statistically significant at p ≤ 0.05