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Table 6: Aneurysm neck measurement: interobserver and intertechnique agreements
Reader CTA reader 1 CTA reader 2 CTA reader 3 CTA reader 4 DSA
CTA reader 1 – κ = 0.788 κ = 0.856 κ = 0.795 κ = 0.778
CTA reader 2 κ = 0.788 – κ = 0.725 κ = 0.693 κ = 0.732
CTA reader 3 κ = 0.856 κ = 0.725 – κ = 0.815 κ = 0.768
CTA reader 4 κ = 0.795 κ = 0.693 κ = 0.815 – κ = 0.734
Note:—CTA, computed tomography angiography; DSA, digital substraction angiography; –, no data.