Article
Rheumatoid arthritis in the Women's Health Initiative: methods and baseline evaluation.
American journal of epidemiology - 1 Apr 2014
Kuller Lewis H, Mackey Rachel H, Walitt Brian T, Deane Kevin D, Holers V Michael, Robinson William H, Sokolove Jeremy, Chang Yuefang, Moreland Larry W
Abstract excerpt
Second-generation assays for anti-cyclic citrullinated peptide (anti-CCP), a highly sensitive and specific marker for rheumatoid arthritis (RA), have redefined the epidemiology of RA. In the Women's Health Initiative (WHI) RA study (2009-2011), we evaluated the prevalence of anti-CCP positivity among 15,691 (10.2% of 161,808) WHI participants aged 50-79 years who reported RA. Using stored baseline specimens, we...
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