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Table 1: Comparison of clinical and radiologic outcomes between patients treated with flow diversion and those treated with conventional coiling^{^a}
Characteristics Flow Diversion (n = 49) Conventional Coiling (n = 30) P Value
Radiologic outcomes 
 Initial occlusion grade 
  Not available 49 (100%) <.001
  Complete 13 (43.5%) 
  Remnant neck 8 (26.7%) 
  Sac filling 9 (30%) 
 One-year follow-up occlusion grade (flow-diversion coiling) .154
  OKM D/complete or near-complete 28 (62.2%) 13 (46.4%) 
  OKM C/remnant neck 12 (26.7%) 7 (25%) 
  OKM A and B/sac filling 5 (11.1%) 8 (28.6%) 
 Recurrence during follow-up 0 (0%) 12 (40%) <.001
 Retreatment 6 (12.2%) 7 (23.3%) .197
 Mean follow-up period (mo) 30.3 (SD, 18.7) 40.8 (SD, 25.6) .111
Clinical outcomes 
 Cranial nerve symptom change .046
  Improved 15 (60%) 3 (25%) 
  Worsened or sustained 10 (40%) 9 (75%) 
 mRS ≥2 at discharge 2 (4.1%) 0 (0%) .262
 mRS ≥2 at last follow-up 5 (10.2%) 0 (0%) .071
 Mean follow-up period (mo) 33.0 (SD, 21.1) 45.9 (SD, 35.8) .073
↵a Data are mean or No. (%).