Table 3: The relationship between ADA and disease activity parameters in both patient groups using MTX and using other DMARDs (Spearman correlation test, p>0.05).

  ADA Patients on MTX (n=71) ADA Patients on Other DMARD (n=39)
ESR p=0.370
r=0.111		 p=0.221
r=0.209
CRP p=0.475
r=0.088		 p=0.592
r=0.092
DAS28-ESR p=0.736
r=0.042		 p=0.535
r=-0.107
DAS28-CRP p=0.839
r=-0.025		 p=0.491
r=0.119
Pain by VAS p=0.781
r=0.034		 p=0.606
r=0.089

ADA: Adenosine deaminase, MTX: methotrexate, DMARD: Disease modifying anti-rheumatic drug, VAS: visual analog scale, ESR: erythrocyte sedimentation rate, CRP:C-reactive protein, DAS: Disease activity score.