Research Article
[Retracted] Different Grades of Collateral Circulation for Evaluating Cerebral Hemodynamic Status in Carotid Artery Stenosis
Table 1
Baseline characteristics of the study population (n = 124).
| | Characteristics | N (%) |
| | Demographic characteristics | | Age1, years | 68.26 ± 8.36 | | Male | 102 (82.25%) | | Left side | 68 (54.84%) | | Previous stroke | 18 (14.52%) | | Aspirin | 107 (86.29%) | | Clopidogrel | 86 (69.35%) | | Warfarin | 10 (8.06%) | | Preoperative degree of stenosis | | 50–70% | 21 (16.94%) | | 70–90% | 35 (28.23%) | | Near-occlusion | 68 (54.84%) | | Comorbidities | | Ischemic heart disease | 26 (20.97%) | | Diabetes mellitus | 32 (25.81%) | | Hyperlipidemia | 44 (35.48%) | | Hypertension | 91 (73.39%) | | Tobacco abuse | 49 (39.52%) | | Collateral circulation | | Grade 1 | 74 (59.68%) | | Grade 2 | 27 (21.77%) | | Grade 3 | 23 (18.55%) |
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TIA: transient ischemia attack. Values denote numbers unless specified otherwise. 1Mean ± SD with range in parenthesis.
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