Fig. 4From: Incidence of malignancy in adult patients with rheumatoid arthritis: a meta-analysisRelative risk of Hodgkin disease in patients with rheumatoid arthritis (RA) compared with the general population. CI, confidence interval; n, number of malignancies; N, population size; MTX, methotrexate; SIR, standardized incidence ratio. *SIRs by sex for Parikh-Patel et al. [16] are included in the total pooled SIR, as overall SIR was not available in their studyBack to article page