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Table 4: 
Aneurysm detection: interobserver and intertechnique agreements
ReaderCTA Reader 1CTA Reader 2CTA Reader 3CTA Reader 4DSA
CTA reader 1–κ = 0.833κ = 0.833κ = 0.622κ = 0.671
CTA reader 2κ = 0.833–κ = 0.768κ = 0.668κ = 0.721
CTA reader 3κ = 0.833κ = 0.768–κ = 0.668κ = 0.721
CTA reader 4κ = 0.622κ = 0.668κ = 0.668–κ = 0.578
  • Note:—CTA indicates computed tomography angiography; DSA, digital substraction angiography; –, no data.