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Table 1 Baseline characteristics of the patients

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

Characteristics Asymptomatic patients (n = 23) (%) Symptomatic patients (n = 28) (%) Sum (n = 51) (%)
Demographics
 Age, years 68 ± 9.4 69 ± 7.6 68 ± 8.2
 Male 18 (78.3 %) 19 (67.9 %) 37 (72.5 %)
 Female 5 (21.7 %) 9 (32.1 %) 14 (27.5 %)
Site of the CEA
 Right 12 (52.2 %) 14 (50 %) 26 (51 %)
 Left 11 (47.8 %) 14 (50 %) 25 (49 %)
Risk Factors
 Hypertension 13 (56.5 %) 17 (60.7 %) 30 (58.8 %)
 Diabetes Mellitus 8 (34.8 %) 12 (42.8 %) 20 (39.2 %)
 Hyperlipidemia 12 (52.2 %) 15 (53.6 %) 27 (52.1 %)
 Ischemic heart disease requiring CABG 23 (45.1 %) 2 (3.9 %) 25 (49.0 %)
Contra Lateral Carotid Artery Stenosis
  < 50 % 17 (73.9 %) 19 (67.9 %) 36 (70.6 %)
 50–70 % 4 (17.4 %) 1 (3.6 %) 5 (9.8 %)
  ≥ 70 % 2 (8.7 %) 3 (10.7 %) 5 (9.8 %)
 Total Occlusion 5 (17.8 %) 5 (9.8 %)
Preoperative DWI Images
 Acute ischemia 3 (14.3 %) 2 (7.1 %) 5 (10 %)
 Chronic ischemia 17 (60.7 %) 17 (33.3 %)
Postoperative DWI Images
 Acute ischemia 2 (8.7 %) 6 (21.4 %) 8 (15.7 %)
 Acute hemorrhage 1 (3.6 %) 1 (2 %)
  1. The numbers and the percentages of preoperative neurologic condition (symptomatic and asymptomatic cases) are summarized