Table 2:

Summary of localization of SDAVF on DCE-MRA and DSA

Case No.DCE-MRAInterobserver AgreementaDCE-MRAbDSAIntermodality Agreementc
Reader 1Reader 2
1FMFMFMFM
2T5T5T5T5
3T6T6T6T6
4T7T7T7T7
5T7T7T7T7
6T10T1011 (92%)T10T710 (83%)
7T8T8κ = 0.97T8T8κ = 0.78
8L2L3[0.92–1.00]L2T9[0.49–1.00]
9L2L2L2L2
10L2L2L2L2
11L3L3L3L3
12S1S1S1S1
  • Note:—Data are number of cases. Data in parentheses are the percentage of times that results were concordant; data in brackets are 95% CIs.

  • FM indicates foramen magnum; T, thoracic spine; L, lumbar spine; S, sacral spine.

  • a Agreement of DCE-MRA between reader 1 and reader 2.

  • b Consensus reading of DCE-MRA of reader 1 and reader 2.

  • c Agreement between the consensus reading of DCE-MRA of reader 1 and reader 2 and DSA.