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Table 3 Relationship between level of TIMP-1 expression and MI

From: Elevated expression of MMP-13 and TIMP-1 in head and neck squamous cell carcinomas may reflect increased tumor invasiveness

  TIMP-1 staining
Grade of tumor invasion Negative/weak (0 + 1) Moderate/ extensive (2 + 3) Total
1 (1 + 2) 13 (72.2%) 5 (27.8%) 18
2 (3) 16 (37.2%) 27 (62.8%) 43
3 (4a + 4b) 7 (41.2%) 10 (58.8%) 17
Total 36 42 78
  1. MI: mode of tumor invasion (expressed as grade). p values: 0.03