Table 1 Demographic data of patients with severe ICA stenosis and normal controls

Number

65

28

12

81

Age (years)

68.00 (60.50,72.00)

67.50 (62.25,71.75)

62.00 (59.00,68.25)

69.00 (62.00,72.00)

0.083

Sex (M/F)

47/18

18/10

8/4

53/28

0.701

Education (years)

8.00 (5.00,12.00)

8.50 (5.00,12.00)

7.50 (3.75,10.75)

6.00 (3.50,10.00)

0.368

Hypertension

48 (73.8%)

19 (67.9%)

8 (66.7%)

48 (59.3%)

0.324

Diabetes mellitus

35 (53.8%)

12 (42.9%)

6 (50%)

30 (37.0%)

0.231

Hyperlipidemia

51 (78.5%)

20 (71.4%)

9 (75%)

49 (60.5%)

0.124

Smoking history

42 (64.6%)

19 (67.9%)

7 (58.3%)

50 (61.7%)

0.916

Alcoholism

10 (15.4%)

5 (17.9%)

2 (16.7%)

20 (24.7%)

0.542