Associations between family history of psoriatic disease and clinical characteristics on patients with psoriatic arthritis: a nationwide study from the Chinese Registry of Psoriatic Arthritis (CREPAR II)

This was first nationwide study to characterize patients with and without a family history of psoriatic disease in China. The findings from the present study revealed that family history of psoriasis and/or PsA had greater effects on disease phenotypes of PsA, especially nail disease and enthesitis.