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. 2021 Sep;42(9):1638–1644. doi: 10.3174/ajnr.A7216

Table 3:

Radiologic follow-up results

Overall Aspirin+Clopidogrel Group Aspirin+Ticagrelor Group P Value
Follow-up (%) 211/233 (90.6) 126/140 (90.0) 85/93 (91.4)
Period (median) (IQR) (mo) 25.1 37.0 (25.0–48.75) 13.8 (7.5–23.1) <.001
Aneurysm occlusiona (%) .552
 I 154 (73.0) 92 (73.0) 62 (72.9)
 II 27 (12.8) 14 (11.1) 13 (15.3)
 III 30 (14.2) 20 (15.9) 10 (11.8)
In-stent stenosis .603
 <50% 188 (89.1) 114 (90.5) 74 (87.1)
 >50% 6 (2.8) 2 (1.6) 4 (4.7)
 Unknownb 17 (8.1) 10 (7.9) 7 (8.2)
Retreatment 16 (6.8) 10 (7.0) 6 (6.5) >.999
a

Raymond-Roy Occlusion Classification.

b

Stented vessel could not be evaluated due to a marker band effect.