Table 3 Risk factors for cerebrovascular disease.

	MES positive	MES negative	p Value
	n = 5	n = 50
Cholesterol, mmol/l	4.6 (1.4)	5.7 (1.6)	0.09
HDL cholesterol, mmol/l	1.2 (0.3)	1.4 (0.4)	0.26
Homocysteine, μmol/l	10.9 (3.1)	10.6 (3.6)	0.89
Current smokers	3 (60%)	21 (42%)	0.66*
Patients with plaque	2 (40%)	24 (48%)	0.67*
Plaque thickness, mm	2.00 (0.28)	1.86 (0.77)	0.81
IMT, mm	0.78 (0.39)	0.74 (0.25)	0.74

Values are means (SD) unless otherwise stated.

*χ², Fisher's exact p value.

HDL, high density lipoprotein; IMT, Intima–media thickness as measured in the bifurcation far wall; MES, microembolic signals.