Reliability of SES-CD and its components*
| ICC (95% CI) | SEM | |||
|---|---|---|---|---|
| Inter-rater | Intrarater | Inter-rater | Intrarater | |
| Presence and size of ulcers | 0.82 (0.77 to 0.89) | 0.89 (0.90 to 0.95) | 1.22 | 0.95 |
| Ulcerated surface | 0.78 (0.67 to 0.85) | 0.84 (0.80 to 0.91) | 0.95 | 0.77 |
| Affected surface | 0.69 (0.56 to 0.77) | 0.85 (0.80 to 0.90) | 1.61 | 1.14 |
| Stenosis | 0.48 (0.28 to 0.66) | 0.63 (0.51 to 0.83) | 0.95 | 0.77 |
| SES-CD score | 0.83 (0.75 to 0.88) | 0.91 (0.89 to 0.95) | 3.07 | 2.24 |
Missing data were limited to <1%.
*To obtain the sub-scores for SES-CD, scores were summed across sites.
CDEIS, Crohn's Disease Endoscopic Index of Severity; SEM, SE of measurement; SES-CD, Simple Endoscopic Score for Crohn's Disease.