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TABLE 3: Comparison of demographic and clinical characteristics and outcomes for patients whose angiograms did and did not reveal reocclusion
Characteristics No Reocclusion (n = 38) Reocclusion (n = 8) P Value
Mean age (yr ± SD) 69.5±16.9 74.5±11.7 .4
Sex, male 21 6 .4
Mean time to treatment (hr ± SD) 4.7±1.7 4.4±1.2 .6
Occlusion site 
 Basilar 5 1 
 ICA 13 2 
 MCA 20 5 
Initial NIHSS score (mean ± SD) 22±8.7 23.3±6.2 .7
Initial angiographic grade^* 
 1 1 0 .8
 2 4 0 
 3A 10 4 
 3B 3 1 
 4A 7 1 
 4B 8 1 
 5 3 1 
 Undetermined 2 0 
Final angiographic grade^* 
 0 13 0 .5
 1 10 2 
 2 7 4 
 3A 3 1 
 3B 1 0 
 4A 2 1 
 4B 1 0 
 5 1 0 
Asymptomatic ICH 4 1 
NIHSS score at 7 days (mean ± SD) 19±17.6 27.6±17.4 .2
mRS score 0–2 at 1–3 months 17 0 
mRS score 3–6 at 1–3 months 21 8 
Note.—ICA indicates internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; ICH, intracerebral hemorrhage; mRS, modified Rankin Scale.
* Angiographic grading is according to the grading scheme presented by Qureshi (7).