The 30-day perioperative complications with respect to the lesion sites.

Note: MCA, middle cerebral artery; VA, vertebral artery; ICA, internal carotid artery; SAH, subarachnoid hemorrhage; ICH, intracerebral hemorrhage.

a: Comparison of basilar artery to other sites, and

b: Comparison of middle cerebral artery to other sites.

The 30-day perioperative complications with respect to the lesion sites.