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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Association of circulating levels of MMP-8 with mortality from respiratory disease in patients with rheumatoid arthritis

Figure 1

Kaplan Meier survival curves for RA patients showing the relationship between baseline serum levels of metalloproteinase (MMP)-8 and mortality due to respiratory disease or pneumonia alone. (A) Respiratory disease. (B) Pneumonia alone. For these analyses, the levels of MMP-8 were divided into those below (<) or equal to and above (≥) the median (20.07 ng/ml).

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