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.