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

Table 6:

Subgroup analysis by treatment technique

Overall Aspirin+Clopidogrel Group Aspirin+Ticagrelor Group P Value
Nonavailable data 1 1 0
Stent-assisted coiling (%) 100 56 (56.0) 44a (44.0)
 Primary outcome (%) 10 (10.0) 6 (10.7) 4 (9.1) >.999
 Secondary outcomes (%)
  Ischemic stroke 6 (6.0) 3 (5.4) 3 (6.8) >.999
  Disabling stroke 2 (2.0) 1 (1.8) 1 (2.3) >.999
  Any death 2 (2.0) 2 (3.6) 0 .502
 Safety outcome (%) 9 (9.0) 7 (12.5) 2 (4.5) .292
Flow-diverter (%) 135 86b (60.6) 49 (52.7)
 Primary outcome (%) 12 (8.9) 8 (9.3) 4 (8.2) >.999
 Secondary outcomes (%)
  Ischemic stroke 11 (8.1) 7 (8.1) 4 (8.2) >.999
  Disabling stroke 6 (4.4) 3 (3.5) 3 (6.1) .668
  Any death 2 (1.5) 1 (1.2) 1 (2.0) >.999
 Safety outcome (%) 10 (7.4) 6 (7.0) 4 (8.2) >.999
a

Including 2 salvage therapies for coil protrusion and Pipeline flow-diverter migration.

b

Including 1 salvage therapy for poor wall apposition of Surpass.