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Fig. 3 | Arthritis Research & Therapy

Fig. 3

From: Rheumatoid arthritis–associated autoantibodies in non–rheumatoid arthritis patients with mucosal inflammation: a case–control study

Fig. 3

Serum immunoglobulin M rheumatoid factor (IgM RF) (a) and IgA RF levels (b) in healthy controls (HC) and in patients with periodontitis (PD), bronchiectasis (BR), cystic fibrosis (CF) and rheumatoid arthritis (RA). Cutoff values are indicated: 10 IU/ml for IgM RF and 25 IU/ml for IgA RF. Bar indicates the median. **p < 0.01, ***p < 0.0001, Kruskal–Wallis one-way analysis of variance with Dunn’s multiple-comparisons post-test compared with HC if overall p < 0.05

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