What Happens to Seronegative RA Over 10 Years?
Population-based data from Olmsted County finally give a usable number for how often a seronegative RA diagnosis turns out to be something else: about 13% over ten years, front-loaded into the first five, and most often spondyloarthritis. A quarter achieve sustained drug-free remission lasting a median of 6.3 years, one in five needs a biologic — and nothing measured at baseline predicts which.