diagnosis of ulcerative colitis, crohn's colitis or indeterminate colitis
Item
diagnosis of ulcerative colitis, crohn's colitis or indeterminate colitis
boolean
C0009324 (UMLS CUI [1])
C0341332 (UMLS CUI [2])
C0010346 (UMLS CUI [3])
disease duration ≥ 8 years
Item
disease duration ≥ 8 years
boolean
C0872146 (UMLS CUI [1])
Inflammatory bowel disease inflammation spread prior to inclusion
Item
inflammation of at least 30 % of colonic mucosa at some point between ibd diagnosis and inclusion
boolean
C0449283 (UMLS CUI [1])
Age
Item
age 18 - 70 years
boolean
C0001779 (UMLS CUI [1])
Signed informed consent
Item
signed informed consent
boolean
C0021430 (UMLS CUI [1])
High grade dysplasia or colorectal cancer before inclusion
Item
high grade dysplasia or colorectal cancer before inclusion
boolean
C0555952 (UMLS CUI [1,1])
C0334048 (UMLS CUI [1,2])
C0009402 (UMLS CUI [2])
Subtotal or total colectomy before inclusion
Item
subtotal or total colectomy before inclusion
boolean
C0192871 (UMLS CUI [1])
C0149750 (UMLS CUI [2,1])
C0728939 (UMLS CUI [2,2])
Clotting disorder or use of anticoagulants that can not be temporarily discontinued
Item
clotting disorder or use of anticoagulants that can not be temporarily discontinued
boolean
C0005779 (UMLS CUI [1])
C0003281 (UMLS CUI [2,1])
C1830593 (UMLS CUI [2,2])
Serious comorbidities which prevent performing a colonoscopy
Item
serious comorbidities which prevent performing a colonoscopy
boolean
C0009488 (UMLS CUI [1,1])
C0205404 (UMLS CUI [1,2])
C1301624 (UMLS CUI [1,3])
C0009378 (UMLS CUI [1,4])
limited life expectancy
Item
limited life expectancy
boolean
C0023671 (UMLS CUI [1])
Clinical or endoscopical disease activity
Item
clinical or endoscopical disease activity (at the discretion of the treating physician)
boolean
C0544450 (UMLS CUI [1,1])
C1710470 (UMLS CUI [1,2])
C0871010 (UMLS CUI [1,3])