Abbreviations

Here is a reference of common abbreviations seen.

Abbreviation	Definition
asa	5-aminosalicylic acid, generally referencing a class of drugs such as mesalazine in its various formulations
axr	Abdominal X-ray
ada	Adalimumab
tnf	Anti-TNFs including infliximab, adalimumab, certolizumab and golimumab
abx	Antibiotics
aza	Azathioprine
bmi	Body mass index
crp	C-reactive protein
ct	Computed tomography
cucq	Crohn's and ulcerative colitis questionnaire-32
cd	Crohn's disease
esr	Erythrocyte sedimentation rate
egfr	Estimated glomerular filtration rate
een	Exclusive enteral nutrition
eims	Extra-intestinal manifestations
fh	Family history
filgo	Filgotinib
goli	Golimumab
hbi	Harvey-Bradshaw index (clinical activity score for Crohn's disease)
hc	Healthy control
imm	Immunomodulators generally defined as azathioprine and mercaptopurine
ibd	Inflammatory bowel disease
ibdu	Inflammatory bowel disease unclassified
ifx	Infliximab
ibs	Irritable bowel syndrome
jaki	JAK inhibitors including filgotinib, upadacitinib and tofacitinib
mri	Magnetic resonance imaging
mcv	Mean corpuscular volume
mp	Mercaptopurine
mtx	Methotrexate
pcdai	Paediatric Crohn's disease activity index
pucai	Paediatric ulcerative colitis activity index
non_ibd	Participants attending hospital but not diagnosed with IBD. Therefore could comprise patients with other medical conditions, not exactly a healthy control
pmh	Past medical history
promis	Patient reported outcome measurement information system
ppi	Proton pump inhibitor/Patient public involvement (context-dependent)
qfit	Quantitative faecal immunohistochemical test
risa	Risankizumab
sccai	Simple clinical colitis activity index (clinical activity score for ulcerative colitis)
sescd	Simple endoscopic score for Crohn's disease
tofa	Tofacitinib
uc	Ulcerative colitis
uceis	Ulcerative colitis endoscopic index of severity
upa	Upadacitinib
uste	Ustekinumab
vedo	Vedolizumab