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. 2014 Feb;35(2):407–412. doi: 10.3174/ajnr.A3660

Table 3:

Summary of localization of SDAVF at CTA and DSA

Case No. CTA
Interobserver Agreementa CTAb DSA Intermodality Agreementc
Reader 1 Reader 2
1 FM FM FM FM
2 T5 T5 T5 T5
3 T6 T6 T6 T6
4 T8 T9 T9 T7
5 T7 T7 T7 T7
6 T10 T12 7 (58%) T12 T7 7 (58%)
7 T8 T8 κ = 0.84 T8 T8 κ = 0.41
8 L2 L3 [0.72–0.96] L2 T9 [0.02–0.84]
9 T8 T7 T8 L2
10 T9 T8 T9 L2
11 L3 L3 L3 L3
12 S1 S1 S1 S1

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 CTA between reader 1 and reader 2.

b

Consensus reading at CTA of reader 1 and reader 2.

c

Agreement between the consensus reading at CTA of reader 1 and reader 2 and DSA.