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Table 2 Predictors of a positive antibody response (i.e. antibody response ratio; ARR ≥ 2) to both 6B and 23F

From: Antibody response to 13-valent pneumococcal conjugate vaccine is not impaired in patients with rheumatoid arthritis or primary Sjögren’s syndrome without disease modifying treatment

  p-value OR 95% CI
RA without DMARD (yes/no) 0.161 1  
RA with MTX (yes/no) 0.037 0.10 0.01–0.87
pSS without DMARDs (yes/no) 0.370 0.58 0.18–1.90
Controls (yes/no) 0.992 0.99 0.42–2.39
Age at vaccination (years) 0.496 0.99 0.97–1.02