Intra-rater agreements for the halo’ and ‘compression’ signs in temporal and axillary arteries
| Section | Lesion (mean prevalence, %) | Agreement (mean, %) | Agreement (range) | Cohen’s κ (mean) | Cohen’s κ (range) |
| ‘halo’ (all images & videos) | 51.4 | 95 | 83–99 | 0.89 | 0.66–0.99 |
| ‘halo’ (images) | 54 | 98 | 89–100 | 0.96 | 0.79–1 |
| ‘halo’ (videos) | 49.4 | 92 | 79–100 | 0.84 | 0.56–1 |
| ‘halo’ temporal arteries (images & videos) | 53.3 | 94 | 83–99 | 0.88 | 0.66–0.98 |
| ‘halo’ temporal arteries (images) | 57.9 | 97 | 89–100 | 0.94 | 0.78–1 |
| ‘halo’ temporal arteries (videos) | 50.1 | 91 | 78–100 | 0.83 | 0.57–1 |
| ‘halo’ axillary arteries (images & videos) | 46 | 96 | 78–100 | 0.93 | 0.53–1 |
| ‘halo’ axillary arteries (images) | 45 | 99 | 90–100 | 0.98 | 0.80–1 |
| ‘halo’ axillary arteries (videos) | 47.1 | 94 | 65–100 | 0.87 | 0.21–1 |
| ‘compression’ sign (videos) | 53.3 | 91 | 75–100 | 0.83 | 0.48–1 |