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Table 2 Internal carotid artery ultrasound findings

From: Neurological complications after cardiac surgery: a retrospective case-control study of risk factors and outcome

ICA Population Normal < 50%   50–70% > 70% to near occlusion Occlusion
Right Study (n = 91) 14 (15.4%) 70 (77%)   3 (3.3%) 3 (3.3%) 1 (1%)
  Matched (n = 113) 90 (79.7%) 17 (15%)   2 (1.8%) 3 (2.6%) 1 (0.9%)
Left Study (n = 91) 15 (16.5%) 72 (79.2%)   3 (3.3%) 1 (1%)
  Matched (n = 113) 95 (84%) 16 (14.2%)   1 (0.9%) 1 (0.9%)  
  1. ICA Internal carotid artery