Table 4.

Logistic regression analysis on baseline features predicting occlusion.

	OR (95% CI)	P
Male	1.11 (0.20–6.16)	0.906
Age (per 10 years increase)	1.21 (0.50–2.92)	0.671
Hypertension	2.11 (0.38–11.76)	0.393
Diabetes	2.42 (0.05–110.33)	0.650
Hyperlipidemia	0.37 (0.02–7.97)	0.528
Smoking	1.58 (0.28–8.90)	0.605
Old CVA	1.70 (0.05–58.17)	0.768
Family history	0.31 (0.02–6.56)	0.455
Initial symptom
Ischemic symptom	1(Ref)
Headache	1.48 (0.26–8.30)	0.658
VW-MRI
Dissecting flap	0.48 (0.06–3.71)	0.481
Double lumen	0.12 (0.01–2.40)	0.166
Intramural hematoma	2.20 (0.10–48.12)	0.617
Increased outer diameter	0.19 (0.01–3.78)	0.275
Onion-skin appearance	3.55 (0.63–20.08)	0.151
Wall enhancement	0.45 (0.08–2.48)	0.356
Preserved patency	0.10 (0.01–0.74)	0.024*
Eccentricity index (per 0.1 unit increase)	0.97 (0.81–1.17)	0.769
Remodeling index	1.27 (0.87–1.84)	0.211
Normalized wall index (per 0.1 unit increase)	0.74 (0.44–1.26)	0.271
rsIMH	1.66 (0.81–3.41)	0.167
TOF-MRA
Dissecting flap	0.77 (0.14–4.32)	0.767
Double lumen	0.34 (0.02–7.21)	0.490
Intramural hematoma	4.02 (0.58–27.77)	0.159
Increased outer diameter	0.19 (0.01–3.78)	0.275
Preserved patency	0.14 (0.02–0.98)	0.048*
Remodeling index	1.06 (0.64–1.75)	0.833
rsIMH	1.73 (0.72–4.13)	0.218

VW-MRI vessel wall magnetic resonance image; TOF-MRA time of flight-magnetic resonance angiography; OR odds ratio; CI confidential interval; CVA cerebrovascular accident; rsIMH relative signal intensity of intramural hematoma. * indicates statistical significance (P < 0.05).