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. 2009 Jan 14;9:20. doi: 10.1186/1471-2407-9-20

Table 4.

Correlation between expression of MMPs and their inhibitors in samples of primary breast tumors

Pearson Correlation Test r p-value N
MMP-2 MMP-9 0.06 p = 0.6523 67
MMP-14 0.68 p < 0.0001 70
TIMP-1 -1.3 p = 0.2968 70
TIMP-2 0.65 p < 0.0001 70
RECK 0.64 p < 0.0001 70

MMP-9 MMP-14 0.17 p = 0.1586 67
TIMP-1 0.07 p = 0.6005 67
TIMP-2 0.21 p = 0.0925 67
RECK 0.04 p = 0.7245 67

MMP-14 TIMP-1 -1.7 p = 0.1474 70
TIMP-2 0.61 p < 0.0001 70
RECK 0.49 p < 0.0001 70

TIMP-1 TIMP-2 0.06 p = 0.6375 70
RECK -1.3 p = 0.2702 70

TIMP-2 RECK 0.42 p = 0.0003 70

Correlations between gene expressions data were calculated using Pearson Correlation test.

(n) Number of analyzed samples

(r) Pearson correlation coefficient