Watershed infarction (n = 42)

Non-watershed infarction (n = 136)

χ2 value

P value

Intracranial stenosis (n, %)

6 (14.3)

46 (33.8)

5.924

0.015

Extratracranial stenosis (n, %)

22 (52.4)

22 (16.2)

22.603

0.000

Combined stenosis (n, %)

10 (23.8)

33 (24.3)

0.004

0.952

No detectable stenosis (n, %)

4 (9.5)

35 (25.7)

4.929

0.026