Table 1.
Agreement between magnetic resonance imaging (MRI) and computed tomography (CT) and observers for the detection of a syrinx (total n examined = 32)
| κ | % of Agreement | |
|---|---|---|
| Repeatability | ||
| Intraobserver intramodality | ||
| MRI | 1 | 100 |
| CT | 1 | 100 |
| Reproducibility | ||
| Interobserver intramodality | ||
| MRI | 0.54 | 81 |
| CT | 0.87 | 94 |
| Intraobserver intermodality | ||
| Observer 1 | 0.59 | 81 |
| Observer 2 | 0.57 | 81 |
κ, Kappa value; levels of agreement: almost perfect (0.8 < κ ≤ 1), substantial (0.6 < κ ≤ 0.8), moderate (0.4 < κ ≤ 0.6), fair (0.2 < κ ≤ 0.4), slight (0.2 < κ ≤ 0).