Figure 1.

Schematic design of the ATTRACT study. The figure shows the design of the ATTRACT (Axial psoriaTic arThritis scReening AnCona iTaly) study. N = 365 consecutive patients with psoriasis, who consented to participate in the study, were screened in the Dermatology Clinic to determine their eligibility for rheumatological referral and then evaluated in the rheumatologic outpatients’ clinic as shown in the box. Pso: psoriasis; b/tsDMARDs: biologic/targeted synthetic DMARDs; DCS: dermatologist-centred screening; TJC: tender joint count; SJC: swollen joint count; LEI: Leeds Enthesitis Index; PASI: Psoriasis Area Severity Index; NAPSI: Nail Psoriasis Severity Index; DAPSA: Disease Activity Index For Psoriatic Arthritis: ASDAS-CRP: Ankylosing Spondylitis Disease Activity Score With C-Reactive Protein; VAS: Visual Analogue Scale for pain; PtGA and PhGA: Patient and Physician Global Assessment, respectively; STIR: short tau inversion recovery