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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Anti-citrullinated protein antibodies and high levels of rheumatoid factor are associated with systemic bone loss in patients with early untreated rheumatoid arthritis

Fig. 2

Association between systemic bone mineral density and anti-citrullinated protein antibodies and/or rheumatoid factor. Mean Z scores in the lumbar spine, vertebrae L1-L4 (a, c, e) and total hip (b, d, f) in subgroups of patients stratified according to anti-citrullinated protein antibody (ACPA) titres (a, b), rheumatoid factor (RF) titres (c, d) and the combination of ACPA and RF (e, f). *Significant differences (p <0.05)

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