Variability | Statistical Value | |
---|---|---|
Individual | ||
Interobserver | Substantial agreement | κ = 0.74 (P < .005)a |
Intraobserver | Almost perfect agreement | κ = 0.99 (P < .005)a |
Group | ||
Neuroradiology vs neurosurgery | No significant difference in interpretation | P = .329b |
Trainee vs attending | No significant difference in interpretation | P = .2b |