Characteristic Symptomatic (N=7) Asymptomatic (N=8) p
Age, years 70 (60, 77; 48-77) 69 (64.3, 72.8; 64-78) 0.867
Gender, male 7 (100) 4 (50) 0.077
Degree of Stenosis, % 95 (80, 95; 80-99) 80 (76.3, 83.8; 70-85) 0.021
Timing of neurologic symptoms, weeks 6 (1, 18; 1-20) 0 <0.001
Diabetes mellitus 4 (57) 3 (38) 0.619
Arterial hypertension 6 (86) 6 (88) 0.733
Ischemic heart disease 3 (43) 3 (38) 0.622
Dyslipidaemia 4 (57) 6 (75) 0.608
COPD 0 (0) 1 (13) 0.533
Chronic kidney disease 2 (29) 1 (13) 0.569
Smoking, active 3 (43) 1 (13) 0.386
Smoking, previous 0 (0) 2 (25)
Aspirin 7 (100) 7 (88) 0.533
Statins 4 (57) 6 (75) 0.608
Haemoglobin, g/L 140 (117, 156; 114-162) 136 (128.3, 142.8; 127-150) 0.955
Leukocyte count, x10⁹/L 8.7 (7.3, 10.9; 6.2-11) 7.95 (7, 9.6; 5.3-11.5) 0.336
C-reactive protein 13.3 (5.2, 27; 1.5-36.4) 0.8 (0.4, 1.5; 0.4-1.8) 0.016
Serum glucose, mmol/L 5.3 (4.6, 6.8; 4.4-6.8) 5.45 (5.3, 8.5; 4.9-10.4) 0.336
PT 0.805 (0.74, 0.91; 0.72-1) 0.75 (0.56, 0.92; 0.56-0.92) 0.548
Fibrinogen, g/L 5.65 (3.0, 7.5; 2.6-7.6) 2.9 0.8
D-dimer, mg/L FEU 0.87 (0.61, 1.19; 0.55-1.49) 0.4 (0.1, 0.46; 0.1-0.46) 0.036
Total Cholesterol, mmol/L 4.25 (2.98, 4.7; 2.6-4.8) 3.65 (2.55, 4.45; 2.2-4.7) 0.486
LDL Cholesterol, mmol/L 2.55 (1.15. 3.13; 0.7-3.3) 2 (1.1, 3.1; 1.1-3.1) 0.857
HDL Cholesterol, mmol/L 0.92 (0.74, 1.07; 0.7-1.09) 0.91 (0.9-1.2) 0.629
Triglycerides, mmol/L 1.82 (1.2, 2.1; 1.04-2.2) 0.8 (0.54, 1.29; 0.45-1.45) 0.057
Perioperative complications 1 (14)* 0 (0) 0.467
Length of hospitalization, days 6 (3, 6; 2-8) 3 (3, 6; 2-6) 0.281