Table 1:

Outcome of the 33 patients according to degree of DRO

DRO Grade	0	1	2	3	Total
No. of patients	13	6	4	10	33
No. of recanalized ICA (rate)	19 (58%)		14 (42%)		33
Initial NIHSS, median (range)	15 (6–22)	17 (12–27)	11.5 (8–18)	10.5 (6–21)
1-month NIHSS, median (range)	14 (2–42*)	29 (6–42)	7 (1–14)	5 (2–17)
No. of deaths	3	3	0	0	6 (18%)
mRS >3 at 1 year (mean mRS %)	10 (77)	6 (100)	2 (50)	4 (40)	22 (67)
mRS ≤2 at 1 year (mean mRS %)	3 (23)	0 (0)	2 (50)	6 (60)	11 (33)

Note:—DRO indicates distal residual occlusion; ICA, internal carotid artery; NIHSS, National Institutes of Health Stroke Scale; mRS, modified Rankin Scale. DRO grades are defined in the text.

^*NIHSS score of 42 means death.