Table 1.

List of instruments (to be meant as “forms”) included in the Registry dedicated to patients with Behçet’s disease, with the corresponding number of common data elements, time-points at which they should refer to and number of mandatory fields included

Instruments	Fields	Retrospective/prospective phase	N. of mandatory fields
Demographics	10	Retrospective phase	4
Consents	4	Retrospective/prospective phase	1
Diagnostic data and family history	35	Retrospective phase	2
Clinical features observed from the disease onset to the time of the enrolment	242	Retrospective phase	1
Ophthalmological assessment at the enrolment (or at the latest visit before enrolment)	380	Retrospective phase	0
Clinical diagnostic scores and criteria	9	Retrospective phase	0
Cardiovascular risk	24	Retrospective/prospective phase	2
Past and current treatments	1	Retrospective phase	0
Treatment with cDMARDs not associated with biologic agents—the retrospective phase	530	Retrospective phase	6
Treatment with small molecules not associated to biologic agents—the retrospective phase	931	Retrospective phase	12
Treatment with biologic agents—the retrospective phase	1606	Retrospective phase	14
Ophthalmological assessments performed over time, to be referred to the different treatment approaches attempted up to the time of enrolment	383	Retrospective/prospective phase	0
Fertility and pregnancy	14	Retrospective/prospective phase	3
Disease course and treatment during pregnancies	69	Retrospective/prospective phase	1
Follow-up visits—the prospective phase	1221	Prospective phase	51

cDMARDs: conventional disease modifying anti-rheumatic drugs