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Table 1 Results of immunohistochemistry staining of the synovium of 12 rheumatoid arthritis patients

From: Expression of CD147 on monocytes/macrophages in rheumatoid arthritis: its potential role in monocyte accumulation and matrix metalloproteinase production

  1 2 3 4 5 6 7 8 9 10 11 12
CD147 ++ ++ ++ ++ + + ++ + + ++ + ++
MMP-1 ++ + + ++ + + ++ + + ++ + ++
TIMP-1 + + + + - + + + + + + -
  1. Positive intensity is indicated as: -, positive cell ratio <5%; +, ratio 5% to 50%; ++, ratio >50%. Spearmen's rho analysis showed that expression of CD147 correlated significantly with matrix metalloproteinase-1 (MMP-1) expression (p < 0.05), but that the expression of CD147 and MMP-1 did not correlate with tissue inhibitors of metalloproteinases-1 (TIMP-1) expression (p > 0.05).