Table 5:

Immediate angiographic occlusion classification

Overall	n	Class 1 (n = 35; 34%)	Class 2 (n = 36; 35%)	Class 3 (n = 33; 32%)
S/S	42	22	11	9
S/W	27	9	11	7
Large	32	4	12	16
Giant	3	0	2	1

Note:—Classification is based on Roy et al⁷. S/S indicates small size (<10 mm)/narrow-necked (<4 mm); S/W, small size/wide-necked (>4 mm); Large, >10–25 mm; Giant, >25 mm.