Comparison of intraobserver assessment in 10 cases
| SAH Sites | Observer A | Observer B | κ (A and B) |
|---|---|---|---|
| Sylvian fissure | 10 | 10 | |
| Parieto-occipital sulcus | 6 | 6 | |
| Superior frontal sulcus | 3 | 2 | |
| Superior temporal sulcus | 3 | 2 | |
| Quadrigeminal cistern | 7 | 6 | |
| Posterior cranial fossa | 8 | 7 | |
| Suprasellar cistern | 8 | 6 | |
| Cisterna ambiens | 8 | 7 | |
| Longitudinal fissures | 2 | 1 | |
| Spinal subarachnoid space | 1 | 0 | |
| Total count | 56 | 47 | 0.819 (P < .05) |