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Table 1 Patients’ characteristics

From: Elevated circulating metalloproteinase 7 predicts recurrent cardiovascular events in patients with carotid stenosis: a prospective cohort study

Clinical history and characteristics Symptomatic (n = 23) Asymptomatic (n = 8)   Controls (n = 26)  
Age, years (SD) 67.3 (16.0) 66.3 (22.5) p = .4 66.8 (3.0) P = .4
Male (%) 15 (65) 6 (75) p = .3 16 (62) P = .3
Hypertension (%) 17 (74) 6 (75) p = .6 0  
Diabetes mellitus (%) 8 (35) 2 (10) p = .6 0  
Prediabetes (%) 1 (4) 2 (25) p = .12 0  
Coronary disease (%) 7 (30) 1 (12) p = .4 0  
Tobacco (%) 12 (52) 7 (87) p = .1 0  
Previous stroke/TIA (%) 4 (17) 2 (25) p = .5 0  
BMI, kg/m2 (SD) 27.5 (1.1) 29.2 (1.3) p = .7 N/A  
Grade of ipsilateral stenosis % (SD) 82.6 (16.2) 85.0 (14.2) p = .6 N/A  
Grade of contralateral stenosis % (SD) 37.4 (25.0) 35.0 (23.2) p = .7 N/A  
Medication
 Statins (%) 13 (57) 7 (87) p = .4 0  
 Anti-aggregants (%) 11 (48) 7 (87) p = .04 0  
 Anti-coagulants (%) 0 1 (12) p = .02 0  
Blood analysis
 Leukocytes, 109/l (SD) 7.69 (0.43) 7.50 (0.73) p = .4 N/A  
 Platelets, 109/l (SD) 210.3 (10.1) 210.7 (13.5) p = .5 N/A  
 ESR, mm/h (SD) 10.86 (1.30) 4.83 (1.25) p = .03 N/A  
 hs-CRP, mg/l (SD) 1.94 (0.41) 1.38 (0.74) p = .3 N/A  
 LDL cholesterol, mg/dl (SD) 102.3 (6.2) 80.0 (10.0) p = .04 N/A  
 HDL cholesterol, mg/dl (SD) 44.3 (2.4) 49.7 (5.8) p = .8 N/A  
 Triglycerides, mg/dl (SD) 119.4 (14.5) 134.6 (27.4) p = .6 N/A  
  1. SD standard deviation, TIA transient ischemic attack, BMI body mass index, N/A not applicable, ESR erythrocyte sedimentation rate, hs-CRP high-sensitivity C-reactive protein, LDL low-density lipoprotein, HDL high-density lipoprotein, unk unknown, N/A: not applicable. Data are expressed as the total number (percentage) or mean (standard deviation)