Article Text
Statistics from Altmetric.com
Study question
In patients with psoriasis, what are the clinical predictors for psoriatic arthritis?
Study design
Design:
incidence cohort study with ⩽30 years of follow-up (20 936 person-years).
Setting:
Olmsted County, Minnesota, USA.
Patients:
1593 patients who were 18–98 years of age (mean age 43 y, 50% women), had a first diagnosis of psoriasis (plaque psoriasis 79%, guttate psoriasis 8.2%, sebopsoriasis 5.4%, and pustular psoriasis 3.3%), and did not have psoriatic arthritis at baseline.
Prognostic factors:
demographics, type of psoriasis, site of psoriasis, number of affected sites, and nail dystrophy.
Outcomes:
psoriatic arthritis, defined as a score ⩾3 on the following CASPAR criteria: (1) current psoriasis (2 points) or personal or family history of psoriasis; (2) nail dystrophy, such as onycholysis, pitting, or hyperkeratosis; (3) negative RF; …
Footnotes
Source of funding: Amgen.
Request Permissions
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.