Table 3. Associations between END types and various occlusion sites in 119 patients with symptomatic arterial occlusions.

Occluded arteries (END, severe END)*	Adjusted OR for END (95% CI)	P	Adjusted OR for severe END (95% CI)	P
ICA occlusion (8/17, 6/17)	8.606 (2.312–32.043)	0.001	6.508 (1.610–26.306)	0.009
No ICAO	Reference	0.016	Reference	0.091
Distal (1/1, 1/1)	–	–	–	–
Proximal (7/16, 5/16)	7.255 (1.878–28.035)	0.004	5.066 (1.187–21.621)	0.028
MCA occlusion (12/57, 9/57)	0.878 (0.361–2.139)	0.857	0.855 (0.319–2.292)	0.755
No MCAO	Reference	0.007	Reference	0.056
Distal (3/38, 0/38)	0.274 (0.072–1.050)	0.059	–
Proximal (9/19, 9/19)	3.032 (1.010–9.186)	0.050	4.074 (1.294–12.831)	0.016
VBA occlusion (4/25, 4/25)	0.617 (0.189–2.010)	0.423	0.936 (0.278–3.147)	0.915
No VBAO	Reference	0.655	Reference	0.866
Vertebral (2/16, 2/16)	0.481 (0.100–2.303)	0.360	0.728 (0.148–3.579)	0.696
Basilar (2/9, 2/9)	0.867 (0.164–4.575)	0.867	1.321 (0.243–7.167)	0.747
Other occlusion (2/20, 1/20)	0.285 (0.060–1.361)	0.116	0.172 (0.021–1.419)	0.102

^*Numbers in parenthesis: numbers of END/numbers of patients with symptomatic arterial occlusion, numbers of severe END/numbers of patients with symptomatic arterial occlusion, respectively.

Adjusted by age, female, and initial NIHSS scores.