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Table 1 Demographic and disease characteristics of patients receiving the same treatment at vaccination and at 1

From: Persistence of antibody response 1.5 years after vaccination using 7-valent pneumococcal conjugate vaccine in patients with arthritis treated with different antirheumatic drugs

  RA (n= 163) SpA (n= 139)
Treatment group MTX monotherapy Anti-TNF monotherapy Anti-TNF + MTX Anti-TNF monotherapy Anti-TNF + MTX NSAID/analgesics
Number of patients at vaccination 85 79 89 83 83 86
Number (%) of patients remaining on original therapy at 1.5-year follow-up 57 (67%) 50 (63%) 56 (63%) 47 (47%) 49 (59%) 43 (50%)
Age, mean (SD); years 63.5 (11) 59.9 (14) 60.5 (9) 50.3 (12) 51.6 (11) 52.8 (12)
Female (%) 77% 90% 75% 38% 57% 49%
Disease duration, mean (SD); years 12.6 (10) 19.8 (11) 16.8 (11) 16.8 (11) 13.1 (10) 13.6 (12)
RF positive (%) 81 86 84 - - -
Anti-CCP positive (%) 77 76 88 - - -
HLA B27 positive (%) - - - 53 33 63