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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Geo-epidemiology of autoantibodies in rheumatoid arthritis: comparison between four ethnically diverse populations

Fig. 2

AMPA to IgG ratios in geographically and ethnically diverse RA populations. Ratios of levels in arbitrary units (aU/mL) for four AMPAs, per grams per liter (g/L) total IgG in the serum of four RA populations. Ratios are only shown in patients that were positive for the AMPA. Lines indicate median and interquartile range; p-values correspond to Mann–Whitney U tests. The range of aU/mL per g/L is not directly comparable between AMPAs

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