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Table 2: Clinical characteristics for symptomatic and asymptomatic carotid stenosis
Variable Symptomatic^a (n = 13) Asymptomatic^a (n = 77) PValue^b
Age (yr) 68.7 ± 10.9 71.4 ± 8.3 .311
Male sex (%) 53.8 (7/13) 58.4 (45/77) .757
Hyperlipidemia (%) 69.2 (9/13) 70.1 (54/77) .948
Hypertension (%) 61.5 (8/13) 71.4 (55/77) .472
History of coronary artery disease (%) 30.8 (4/13) 41.6 (32/77) .463
History of peripheral vascular disease (%) 30.8 (4/13) 36.4 (28/77) .697
History of diabetes mellitus (%) 30.8 (4/13) 19.5 (15/77) .361
Current statin use (%) 76.9 (10/13) 81.8 (63/77) .677
Current smoker (%) 69.2 (9/13) 83.1 (64/77) .258
a Mean ± SD. Other values represent percentages; numbers in parentheses are used to calculate the percentages.
b P values by unpaired t test for age and by χ² test or Fisher exact test for the other variables.