Table 2.
CECDAI (Niv Score).
| A. Inflammation score |
|---|
| 0 = None |
| 1 = Oedema/hyperemia/denudation (mild to moderate) |
| 2 = Oedema/hyperemia/denudation (severe) |
| 3 = Bleeding, exudate, aphthae, erosion, ulcer <0.5 cm |
| 4 = Ulcer 0.5–2 cm, pseudopolyp |
| 5 = Large ulcer >2 cm |
| B. Extent of disease score |
|---|
| 0 = No disease |
| 1 = Focal disease (single segment) |
| 2 = Patchy disease (2–3 segments) |
| 3 = Diffuse disease (>3 segments) |
| C. Stricture score |
|---|
| 0 = None |
| 1 = Single-passed |
| 2 = Multiple-passed |
| 3 = Obstruction (non-passage) |
CECDAI = proximal (A1 × B1 + C1) + distal (A2 × B2 + C2).