Fig. 1From: Improvement in work productivity among psoriatic arthritis patients treated with biologic or targeted synthetic drugs: a systematic literature review and meta-analysisPRISMA flow of information for the systematic literature review. PRISMA, Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PsA, psoriatic arthritis; WPAI, Work Productivity and Ativity Impairment QuestionnaireBack to article page