Table 4: Other causes of cerebral infarction.

Young patients () Old patients () P Cervical artery dissection 18 7 <.001 Giant aneurysm MCA 1 0 .001 Pseudoaneurysm ICA 1 0 .001 Moya moya 1 0 .001 Prothrombotic disorder 1 1 .03 Pulmonary shunt 1 0 .001 Migraine 0 1 .76 CADASIL 0 1 .76

MCA, middle cerebral artery; ICA, internal carotid artery.