Table 2

IBD cohort incidence of imDC, colitis, and diarrhea

N (%)Incidence of imDC%
Total IBD cohort30 (100)1137
Gender
 Female18 (60)844
 Male12 (40)325
IBD type
 CD19 (63)632
 UC10 (33)550
 IBD-U1 (3)00
History of other autoimmune diseases
 Yes7 (23)571
 No23 (77)626
History of extra-intestinal manifestations
 Yes6 (20)350
 No24 (80)833
Smoking status
 Smoker5 (17)240
 Ex-smoker16 (53)531
 Never smoker9 (30)444
Small bowel surgery
 Yes9 (30)444
 No21 (70)733
Large bowel surgery
 Yes14 (47)429
 No16 (53)744
Any bowel surgery
 Yes15 (50)427
 No15 (50)747
IBD medications held due to cancer diagnosis
 Yes9 (30)556
 No21 (70)629
Active disease at ICI start
 Yes3 (10)133
 No27 (90)1037
IBD treatment at ICI start
 Yes10 (33)330
 No20 (67)840
  • CD, Crohn’s disease; IBD-U, inflammatory bowel disease—undeterminate; ICI, immune checkpoint inhibitor; imDC, immune-mediated diarrhea and colitis; UC, ulcerative colitis.