Table 5:

Aneurysm maximal diameter measurement: interobserver and intertechnique agreements

Reader	CTA reader 1	CTA reader 2	CTA reader 3	CTA reader 4	DSA
CTA reader 1	–	κ = 0.858	κ = 0.916	κ = 0.888	κ = 0.829
CTA reader 2	κ = 0.858	–	κ = 0.855	κ = 0.826	κ = 0.823
CTA reader 3	κ = 0.916	κ = 0.855	–	κ = 0.914	κ = 0.854
CTA reader 4	κ = 0.888	κ = 0.826	κ = 0.914	–	κ = 0.883

Note:—CTA, computed tomography angiography; DSA, digital substraction angiography; –, no data.