Table 2.
Paris classification.
| Symbol | Description | N (%) | |
|---|---|---|---|
| Crohn's disease | |||
|
| |||
| Age of diagnosis | A1a | 0–<10 years | 6 (14%) |
| A1b | 10–17 years | 35 (81.4%) | |
| A2 | 17-40 years | 2 (4.6%) | |
| A3 | >40 years | — | |
|
| |||
| Location | L1 | Distal 1/3 ileum (±limited cecal disease) | 20 (46.5%) |
| L2 | Colonic | 6 (13.9%) | |
| L3 | Ileocolonic | 13 (30.3%) | |
| L4a | Upper disease proximal to ligament of Treitz | 12 (27.9%) | |
| L4b | Upper disease distal to ligament of Treitz and proximal to distal 1/3 ileum | 6 (13.9%) | |
|
| |||
| Behaviour | B1 | Nonstricturing Nonpenetrating |
31 (72.1%) |
| B2 | Stricturing | 9 (20.9%) | |
| B3 | Penetrating | 3 (7%) | |
| p | Perianal disease modifier | 7 (16.3%) | |
|
| |||
| Growth | G0 | No evidence of growth delay | 31 (72.1%) |
| G1 | Growth delay | 12 (27.9%) | |
|
| |||
| Ulcerative colitis | |||
|
| |||
| Extent | E1 | Ulcerative proctitis | 6 (19.4%) |
| E2 | Left-sided UC (distal to splenic flexure) | 10 (32.2%) | |
| E3 | Extensive (hepatic flexure distally) | 6 (19.4%) | |
| E4 | Pancolitis (proximal to hepatic flexure) | 9 (29%) | |
|
| |||
| Severity | S0 | Never severe | 24 (77.4%) |
| S1 | Ever severe | 7 (22.5%) | |