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Table 3 Statistical table of risk factors for new cerebral ischemia after carotid endarterectomy

From: Previous chronic cerebral infarction is predictive for new cerebral ischemia after carotid endarterectomy

Characteristic No. of patients No. of patients with postoperative new ischemia P-value
Gender
 Male 37 6  
 Female 14 2 1.0
Hypertension
 Yes 30 5  
 No 21 3 1.0
Diabetes Mellitus
 Yes 20 3  
 No 31 5 1.0
Hyperlipidemia
 Yes 27 4  
 No 24 4 1.0
Contralateral Carotid Stenosis
 Occlusion or ≥ 70 % 10 3  
 Normal to moderate 41 5 0.17
Preoperative neurologic status
 Asymptomatic 23 2  
 Symptomatic 28 6 0.26
The Site of the CEA
 Right 26 4  
 Left 25 3 1.0
Preoperative Brain Images
 Chronic infarction 17 6  
 No chronic infarction 34 2 0.01
  1. There is a significant positive correlation between preoperative chronic infarction and new postoperative cerebral ischemia (p = .01)