TABLE 4.

Peripheral arthritis items reaching consensus

Item	Responses	Proportion agreement (%)
In a clinical practice setting, IBD-associated peripheral arthritis should be recognised by	An IBD specialist	92
	A rheumatologist	93
IBD-associated peripheral arthritis should be clinically diagnosed by	An IBD specialist	85
	A rheumatologist	100
In a clinical practice setting, IBD-associated peripheral should be defined as	Joint pain + swollen/tender joints on exam	77
	Morning stiffness + joint pain + swollen/tender joints on exam	85
	Swollen/tender joints on the exam with the exclusion of other etiologies	92
In a clinical practice setting, IBD-associated peripheral can be monitored via	Visits to IBD specialist	85
	Visits to rheumatologist	100
The average patient with IBD-associated peripheral arthritis should be seen	At the time of scheduled assessment of IBD with mild disease and every 1–3 months for moderate to severe disease requiring active intervention	85
Appropriate ways to assess for improvement or worsening in IBD-associated peripheral arthritis include	Patient report of change in morning stiffness	75
	Patient report of the change in joint pain with movement	75
	Patient report of change in swelling/tenderness	81–88a
	Patient report of change in number of involved joints	75
	Patient report of overall improvement/worsening	75–81a
	Physician report of change in swelling/tenderness/redness	100
	Physician report of change in number of involved joints	86–100a
	Physician global assessmentb	86–88a
Resolution of IBD-associated peripheral arthritis can be defined as	Patient report of resolution	75
	IBD specialist assessment demonstrating resolution	86
	Rheumatology assessment demonstrating resolution	100
Recurrence of IBD-associated peripheral arthritis is defined as	Recurrent joint involvement in the same anatomic location(s)	88
	New joint involvement in any anatomic location	100
Timeline of recurrence of IBD-associated peripheral arthritis is defined as	Patient report of joint symptoms returning any time after resolution	75
	Physician assessment of joint symptoms returning any time after resolution	88
Patients with IBD-associated peripheral arthritis should be monitored for recurrence	As part of the standard of care visits with their IBD specialist	94
	As part of the standard of care visits with rheumatology	100

Abbreviation: IBD, inflammatory bowel disease.

^aRange in percentage is due to the inclusion of percentage agreement for improvement and for worsening (see Table S2 for a breakdown of percentages by individual items).

^bPhysician global assessment was defined by our panel with 100% consensus as the overall status of EIM based on patient symptoms, physical exam, and any relevant testing (imaging, laboratory data).