Review Article
Incidence and Paris Classification of Pediatric Inflammatory Bowel Disease
Table 3
Comparison of Montreal and Paris Classifications for ulcerative colitis based on Levine et al. [
13].
| ā | Montreal Classification | Paris Classification |
| Extent | E1: ulcerative proctitis E2: left-sided UC (distal to splenic flexure) E3: extensive (proximal to splenic flexure) | E1: ulcerative proctitis E2: left-sided UC (distal to splenic flexure) E3: extensive (hepatic flexure distally) E4: pancolitis (proximal to hepatic flexure) |
| Severity | S0: clinical remission S1: mild UC S2: moderate UC S3: severe UC | S0: never severe*ā S1: ever severe* |
|
|
Severe defined by Pediatric Ulcerative Colitis Activity Index (PUCAI).
|