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Table 1: 
Baseline characteristics of carotid arteries according to symptoms
Symptomatic(n = 74)Asymptomatic(n = 318)P
Age (years)69.9 ± 8.3*70.0 ± 7.6.8872
Female sex14.9 (11/74)17.3 (55/318).7309
AF and prosthetic heart valve5.4 (4/74)6.9 (22/318).7982
Hypertension79.7 (59/74)83.3 (265/318).4957
Diabetes mellitus39.2 (29/74)39.9 (127/318)1.0000
Hyperlipidemia62.2 (46/74)56.0 (178/318).3630
Cigarette smoking29.7 (22/74)23.3 (74/318).2930
  • Note:—AF indicates atrial fibrillation. Values for age represent mean ± SD; other values represent percentage of carotid arteries, with raw numbers provided in parentheses.