Intra- and interrater agreement for paramagnetic rim evaluation on 3T and 7T phase MRI
| Raters | Percentage Agreement | Cohen κ | Agreement28 |
|---|---|---|---|
| 3T (3 raters) | |||
| Intrarater (1 rater) | 89% | 0.77 | Substantial |
| Interrater | 86% | 0.71 (Fleiss κ) | Substantial |
| Each rater vs 3T consensus | 86%–90% | 0.71–0.79 | Substantial |
| 7T (2 raters) | |||
| Intrarater (1 rater) | 89% | 0.77 | Substantial |
| Interrater | 87% | 0.72 | Substantial |
| Each rater vs 7T consensus | 91%–96% | 0.81–0.91 | Almost perfect |
| 3T vs 7T | |||
| 3T vs 7T consensus | 90% | 0.78 | Substantial |