Table 3.
Diagnostic confidence corresponding to vascular pathology
| Reader 1 | Reader 2 | κ | p value | |
|---|---|---|---|---|
| Institution I | ||||
| Pathological vessel (n = 27) | 4.21 ± 1.08 | 4.10 ± 0.99 | 0.93 | <0.001 |
| Non-pathological vessel (n = 13) | 4.26 ± 1.08 | 4.16 ± 1.00 | 0.75 | 0.005 |
| Institution II | ||||
| Pathological vessel (n = 26) | 4.19 ± 0.85 | 4.08 ± 0.80 | 0.91 | <0.001 |
| Non-pathological vessel (n = 28) | 4.36 ± 0.62 | 4.36 ± 0.62 | 0.90 | <0.001 |
| Institution III | ||||
| Pathological vessel (n = 29) | 4.24 ± 0.74 | 4.17 ± 0.73 | 0.90 | <0.001 |
| Non-pathological vessel (n = 19) | 4.26 ± 0.65 | 4.26 ± 0.65 | 0.87 | <0.001 |
Data are presented as mean ± SD. The interobserver reliability was observed during the diagnostic confidence evaluation process (recorded by both the readers, as measured from the quadratic weighted kappa [κ]).