Figure 1

Flow chart of patient inclusion. DMARDs, disease-modifying antirheumatic drugs; OA, osteoarthritis; RA, rheumatoid arthritis; TKA, total knee arthroplasty; TNF, tumor necrosis factor.

Flow chart of patient inclusion. DMARDs, disease-modifying antirheumatic drugs; OA, osteoarthritis; RA, rheumatoid arthritis; TKA, total knee arthroplasty; TNF, tumor necrosis factor.