Sofia Exarchou, Johan K Wallman, Daniela Di Giuseppe, Eva Klingberg, Valgerdur Sigurdardottir, Sara Wedrén, Ulf Lindström, Carl Turesson, Lennart T H Jacobsson, Johan Askling
OBJECTIVE: Psoriatic arthritis (PsA) prevalence estimates vary across studies; studies based on national data are few. We aimed to estimate the prevalence of clinically diagnosed PsA in Sweden in 2017, overall and stratified by sex/age/education/geography, and to quantify disease-modifying anti-rheumatic drug (DMARD) use among those in contact with specialized rheumatology care 2015-2017. METHODS: Individuals, 18-79 years (y), alive, residing in Sweden on December 31, 2017, with a prior PsA diagnosis were identified from the National Patient Register (NPR) and/or the Swedish Rheumatology Quality Register (SRQ)...
March 1, 2023: Journal of Rheumatology