Table 1.

Numbers and demographics of participants in each Delphi round

Demographic	First round (n = 29)	Second round (n = 33)	Third round (n = 35)
Type of participant
Dermatologist	5 (17.2%)	6 (18.2%)	10 (28.6%)
Rheumatologist	20 (69.1%)	22 (66.7%)	22 (62.9%)
Rheumatologist–dermatologist	3 (10.3%)	3 (9.1%)	3 (8.6%)
Non-clinician researcher	1 (3.4%)	2 (6.1%)	0 (0.0%)
Location of participant
USA	18 (62.1%)	20 (60.6%)	24 (68.6%)
Europe	7 (24.1%)	9 (27.3%)	7 (20.0%)
Canada	4 (13.8%)	4 (12.1%)	4 (11.4%)
Gender of participant
Female	12 (41.4%)	15 (45.5%)	16 (45.7%)
Male	17 (58.6%)	18 (54.5%)	19 (54.3%)
Amount of experience of participants
Mean number of years (s.d.)	18.70 (10.47)	17.36 (10.42)	18.86 (11.24)
Type of experience of participants
Academic clinicians	25 (86.2%)	26 (78.8%)	28 (80.0%)
Clinicians who work privately	1 (3.4%)	3 (9.1%)	3 (8.6%)
Both	3 (10.3%)	4 (12.1%)	4 (11.4%)