Kappa values for inter-rater agreement in comfort scores
| Combined (all three raters) (N=488) | Endoscopist vs SSP (N=493) | SSP vs patients (N=490) | Endoscopist vs patients (N=488) | |
| Overall | 0.593 | 0.612 | 0.638 | 0.526 |
| Individual scores | ||||
| 1 | 0.730 | 0.755 | 0.773 | 0.662 |
| 2 | 0.581 | 0.590 | 0.659 | 0.491 |
| 3 | 0.490 | 0.507 | 0.535 | 0.425 |
| 4 | 0.431 | 0.400 | 0.432 | 0.479 |
| 5 | 0.275 | 0.496 | 0.222 | 0.208 |
SSP, specialist screening practitioner.