Demographic data of the whole SWEFOT population versus the study cohort
| Demographic | SWEFOT patients (n=487) | Study patients (n=119) | p Value |
| Female sex, n (%) | 344 (70.6) | 93 (78.2) | 0.13 |
| ACPA pos, n (%) | 310 (63.7) | 60 (57.7) | 0.25 |
| RF pos, n (%) | 333 (68.4) | 76 (65.0) | 0.47 |
| DAS28, mean (SD) | 5.73 (1.01) | 5.64 (0.95) | 0.39 |
| ESR (mm), mean (SD) | 39.8 (28.1) | 37.5 (24.3) | 0.45 |
| CRP (mg/L), mean (SD) | 33.7 (42.4) | 34.8 (38.1) | 0.69 |
| HAQ, mean (SD) | 1.19 (0.58) | 1.18 (0.56) | 0.95 |
| SHS, mean (SD) | 4.54 (8.01) | 4.49 (8.20) | 0.74 |
| JSN, mean (SD) | 2.63 (7.08) | 2.45 (5.68) | 0.50 |
| Erosion score, mean (SD) | 1.91 (3.75) | 2.03 (3.70) | 0.34 |
ACPA, anticitrullinated peptide antibody; CRP, C reactive protein; DAS28, Disease Activity Score of 28 joints; ESR, erythrocyte sedimentation rate; HAQ, Health Assessment Questionnaire; JSN, joint space narrowing; Pos, positive; RF, rheumatoid factor; SHS, modified Sharp van der Heijde Score; SWEFOT, SWEdish FarmacOTherapy.