Right-to-Left Shunt Does Not Increase the Incidence of Silent Lacunar Infarcts in Patients with Migraine

Table 1

Comparisons of cerebral vascular disease risk factors between right-to-left shunt (RLS) and non-RLS groups.

Risk factors	RLS group	Non-RLS group	P value
	(total 126)	(total 136)
	(%)	(%)
Hypertension	7 (6%)	16 (12%)	0.07
Diabetes	1 (1%)	4 (3%)	0.41
Smoking	20 (16%)	24 (17%)	0.68
Coronary heart disease	3 (2%)	3 (2%)	1.00
Hyperlipidemia	4 (3%)	6 (4%)	0.83