Figure 6
From: A meta-analysis of the incidence of malignancy in adult patients with rheumatoid arthritis

Relative risk of breast cancer in patients with rheumatoid arthritis (RA) compared with the general population. CI, confidence interval; DMARDs, disease-modifying antirheumatic drugs; MTX, methotrexate; n, number of malignancies; N, population size; SIR, standardized incidence ratio; TNF, tumor necrosis factor.