Meta-analyses on AAPA (A) and anti-Carp (B) in two cohorts of ACPA-positive/RF-positive arthralgia patients, showing an association with IA-development for AAPA but not for anti-CarP
Raw data from ACPA-positive patients from the Amsterdam cohort as described by van de Stadt et al. were obtained and analysed.
AAPA: anti-acetylated protein antibody, anti-CarP: anti-carbamylated protein antibody, RF: rheumatoid factor, ACPA: anti-citrullinated protein antibody, HR: hazard ratio, CI: confidence interval, CSA: clinically suspect arthralgia