Figure 2 | Scientific Reports

Figure 2

From: A predominant involvement of the triple seropositive patients and others with rheumatoid factor in the association of smoking with rheumatoid arthritis

Figure 2

Association of smoking with the presence of RF in the RA patients carrying one or two antibodies. Forest plots showing the comparison of: (A) RF+ patients that were positive for one or two antibodies (RF+1+2) with the patients without antibodies (0); and (B) the comparison of RF+ patients that were positive for one or two antibodies (RF+1+2) with all the RF− patients (RF−0+1+2). No cohort-specific information was available for the three cohorts in van Wesemael et al. Plots follow Fig. 1 conventions.

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