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Interrater agreement (κ) regarding best final management choice

All CasesLandis and Koch Interpretation
All raters (n = 47)
 Dichotomizeda0.094 (0.068–0.130)Poor
 All categories0.110 (0.090–0.135)Poor
Specialty
 Open neurosurgeons (n = 15)
 Dichotomizeda0.109 (0.063–0.172)Poor
 All categories0.072 (0.040–0.119)Poor
INR (n = 25)
 Dichotomizeda0.177 (0.135–0.233)Poor
 All categories0.185 (0.155–0.224)Poor
Dual-trained neurosurgeons (n = 7)
 Dichotomizeda0.132 (0.065–0.203)Poor
 All categories0.120 (0.079–0.176)Poor
Location of practice
 North America (n = 19)
  Dichotomizeda0.060 (0.031–0.101)Poor
  All categories0.076 (0.055–0.101)Poor
 Europe (n = 27)
  Dichotomizeda0.118 (0.084–0.167)Poor
  All categories0.130 (0.103–0.166)Poor
  • Note:—INR indicates interventional neuroradiologists.

  • a All categories (surgical management, coiling ± balloon remodelling, coiling ± stent, flow diverter, and intrasaccular flow disruptor) were dichotomized as surgical management versus all others.