Table 1. Patient demography.

	Symptomatic (n = 43)	Asymptomatic (n = 53)	p value
Male, n(%)	25 (78.1)	36 (67.9)	0.400*
Age (Mean±SD)	73.7±11.2	69.7±11.1	0.051‡
Diastolic pressure (Mean±SD; mmHg)	79.9±13.1	77.8±14.7	0.349‡
Systolic pressure (Mean±SD; mmHg)	142.3±23.6	138.9±21.1	0.309‡
Heart Rate (Median[IQR])	78 [69, 82]	76 [70, 81]	0.072†
Hypertension, n(%)	33 (76.7)	42 (79.2)	0.808*
Diabetes, n(%)	4 (9.3)	7 (13.2)	0.749*
Atrial fibrillation	7 (16.3)	5 (9.4)	0.363*
Ischaemic heart disease, n(%)	17 (39.5)	19 (35.8)	0.833*
Peripheral vascular disease, n(%)	5 (11.6)	8 (15.1)	0.767
Previous TIA/Stroke, n(%)	10 (23.3)	27 (50.9)	0.007*
Aspirin used before recruitment, n (%)	18 (41.9)	37 (69.8)	0.007*
Stenosis %, (Median[IQR]) §	49 [42, 54]	50 [43, 59]	0.464†
Days of follow-up, (Median[IQR])	428 [94, 689]	659 [385, 830]	0.002†

^*Two-sided p value using Fisher's exact test.

^‡Two-tailed p value using Student t test.

^†Two-tailed p value using Mann-Whitney test.

^§ECST defined stenosis.