Table 2.

Score values and intensity of immunostaining for MMPs and TIMPs in tumoral centre, invasive front and in metastasic axillary lymph nodes (MALN)

	Intensity of immunostaining
Factor	Tumoral Centre	Invasive front	MALN	P*
MMP-1	1.89 ± 0.82	1.63 ± 0.54	1.03 ± 0.67	0.0001
MMP-2	0.49 ± 0.79	0.32 ± 0.63	0.42 ± 0.5	n.s.
MMP-7	2.11 ± 0.78	0.84 ± 0.5	0.79 ± 0.62	0.0001
MMP-9	0.85 ± 0.71	1.11 ± 0.51	0.89 ± 0.46	n.s.
MMP-11	1.46 ± 1.02	1.67 ± 0.67	1.43 ± 0.81	n.s.
MMP-13	0.85 ± 0.63	0.83 ± 0.56	0.94 ± 0.64	n.s.
MMP-14	1.21 ± 0.76	0.89 ± 0.45	0.7 ± 0.52	0.003
TIMP-1	1.67 ± 0.81	1.08 ± 0.36	1.16 ± 0.5	0.0001
TIMP-2	1.44 ± 0.94	1.11 ± 0.52	1.22 ± 0.63	n.s.
TIMP-3	1.54 ± 0.88	0.27 ± 0.45	0.95 ± 0.74	0.0001

Data are represented as median and standard deviation (SD). MALN, metastasis axillary lymph nodes.

^*Kruskal–Wallis test.