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Table 3 Percentages of stroke recurrence in each intracranial major artery stenosis groups

From: Ophthalmic artery flow direction change predicts recurrence of ischemic stroke after carotid stenting: a longitudinal observational study

 

Recurrent stroke

No recurrent stroke

p value

Anterior circulation (MCA)

 Left and right  > 50% stenosis

100%

(30/30)

0%

(0/30)

 < 0.001

 Only left  > 50% stenosis

70%

(14/20)

30%

(6/20)

 < 0.001

 Only right  > 50% stenosis

 

 Left and right  < 50% stenosis

0%

(0/37)

100%

(37/37)

 < 0.001

Posterior circulation

 BA or VA  > 50% stenosis

71.79%

(28/39)

28.21%

(11/39)

 < 0.01

 BA or VA  < 50% stenosis

33.33%

(16/48)

66.67%

(32/48)

 < 0.01

  1. MCA Middle cerebral artery, MRA Magnetic Resonance Angiography, BA basilar artery, VA Vertebral artery