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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Promoter polymorphisms in the chitinase 3-like 1 gene influence the serum concentration of YKL-40 in Danish patients with rheumatoid arthritis and in healthy subjects

Figure 2

Linear association between age and serum concentrations of YKL-40. Linear model applied for patients with rheumatoid arthritis (RA) ≤ 65 years of age (n = 238) and controls (n = 605) is sufficient to explain the age dependent variation (P = 0.96). The y-axis represents serum concentrations of YKL-40. Dotted lines represent 95% confidence intervals.

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Arthritis Research & Therapy

ISSN: 1478-6362

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