Table 1.

Demographic and clinical characteristics of rheumatoid arthritis (RA) patients at baseline

Gender;% women	93·1
Age; years; mean (range)	62·4 (37–81)
Years of RA evolution; years; mean (SD)	15·7 (10·7)
Erosive; %	93·1
Positive rheumatoid factor and/or cyclic citrullinated peptide; %	93·1
DAS28; mean (SD)	5·98 (1·2)
Erythrocyte sedimentation rate; mm/hr; mean (SD)	57·4 (27·9)
C-reactive protein; mg/l: mean (SD)	29·5 (24·5)
Health assessment questionnaire; mean (SD)	1·48 (0·7)
Previous disease-modifying anti-rheumatic drugs (DMARDs); mean (SD)	3 (1·3)
Previous anti-tumour necrosis factor; mean (SD)	1·7 (1·1)
Concomitant corticoids; %	100
Concomitant methotrexate; %	33·3
Other DMARDs; %	11·1
Monotherapy; %	55·6