Table 3:
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.
Agreement of CTA between reader 1 and reader 2.
Consensus reading at CTA of reader 1 and reader 2.
Agreement between the consensus reading at CTA of reader 1 and reader 2 and DSA.