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Fig. 4 | Arthritis Research & Therapy

Fig. 4

From: Serum chitinase-3-like 1 protein is a useful biomarker to assess disease activity in ANCA-associated vasculitis: an observational study

Fig. 4

Changes in serum YKL-40 levels in patients with decreased AAV activity. In 12 patients with serial YKL-40 measurement, serum YKL-40 levels were significantly reduced with decreased BVAS at follow-up. Paired t-test was done to evaluate the changes of serum YKL-40 levels. AAV, ANCA-associated vasculitis; ANCA, Anti-neutrophil cytoplasmic antibody; BVAS, Birmingham vasculitis activity score

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Arthritis Research & Therapy

ISSN: 1478-6362

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