| Group A |
|
Group B |
| More than 15% underweight currently or evidence of malabsorption |
|
Involvement of colon (unless duration of disease exceeds 8 years and normal surveillance colonoscopy done within 2 years) |
| History of fistula formation or bowel obstruction or > 1 bowel surgery |
|
Use within 2 years of immune modulators (imuran, azathioprine, methotrexate, cyclosporine, infliximab) or corticosteroids 10 mg/day) |
| Involvement of proximal GI tract including mouth, esophagus, stomach, duodenum, jejunum |
|
|
| Use within 2 years of corticosteroid > 10 mg/day |
|
|