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Table 4 Association of baseline levels of individual metalloproteinases (MMPs) with respiratory disease-related mortality

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

MMP (ng/ml) Hazard ratio (95% CI) P
MMP-1 1.007 (0.99, 1.001) 0.1
MMP-2 1.000 (0.99, 1.000) 1.0
MMP-3 0.997 (0.994, 0.999) 0.3
MMP-8 1.013 (1.005, 1.02) < 0.0001
MMP-9 1.002 (1.00, 1.004) 0.002
  1. Separate Cox proportional hazard regression analyses were carried out for each MMP with adjustment for age, sex and disease duration at baseline.