Table 2

Logistic regression analyses of the primary outcome

Variables	Univariate			Multivariate*
Variables	OR	95% CI	P value	OR	95% CI	P value
Age ≥50 years	1.71	0.38 to 7.71	0.482
Male	1.07	0.41 to 2.78	0.898
Current smoking	1.00	0.39 to 2.54	1.000
Hypertension	1.92	0.62 to 5.95	0.258
Diabetes	2.00	0.80 to 5.02	0.139
Dyslipidaemia	2.63	0.92 to 7.47	0.070	2.97	1.02 to 8.65	0.047
Prior ischaemic stroke/TIA	2.01	0.68 to 5.91	0.205
Mean blood pressure at admission ≥110 mm Hg	1.21	0.48 to 3.01	0.688
Interval from symptom onset to CTA, days	0.99	0.95 to 1.04	0.747
Severe luminal stenosis in sICAS (70%–99%)	1.21	0.48 to 3.01	0.688
Haemodynamic status of sICAS
Normal	Ref.			Ref.
Intermediate	3.48	0.93 to 13.02	0.065	3.52	0.93 to 13.27	0.063
Abnormal	6.93	1.69 to 28.35	0.007	7.88	1.89 to 32.87	0.005

*Variables with p<0.1 in univariate logistic regression were included in the multivariate analysis.
CTA, CT angiography; sICAS, symptomatic intracranial atherosclerotic stenosis; TIA, transient ischaemic attack.