Table 3.

Presence of HRP for race and clinical factors

	Extracranial carotid artery			Intracranial artery
	OR	95% CI	P value	OR	95% CI	P value
Caucasian vs Chinese	3.75	1.30 to 10.78	0.01	0.33	0.04 to 2.86	0.31
Adjustment factor
Age, years	3.05	1.01 to 9.21	0.047	0.31	0.03 to 2.89	0.30
Sex, male	4.08	1.38 to 12.07	0.01	0.36	0.04 to 3.20	0.36
BMI, kg/m2	3.40	1.03 to 11.27	0.045	0.53	0.05 to 5.11	0.58
Current smoker	4.00	1.31 to 12.23	0.02	0.23	0.03 to 2.06	0.19
Hypertension	3.86	1.33 to 11.22	0.01	0.30	0.03 to 2.74	0.29
Hyperlipidaemia	3.14	0.97 to 10.10	0.055	0.26	0.03 to 2.54	0.25
Diabetes	3.31	1.13 to 9.69	0.03	0.36	0.04 to 3.24	0.36
Coronary heart disease	4.62	1.40 to 15.19	0.01	0.17	0.02 to 1.79	0.14
On statins prior to recent symptoms	3.48	1.18 to 10.26	0.02	0.21	0.02 to 2.02	0.18

Bold indicates P-values<0.05.

BMI, body mass index; HRP, high-risk plaque.