[Retracted] Study on the Relationship between MMP-2, MMP-9 Gene Polymorphisms, and the Risk of Colorectal Cancer

Table 4

Comparison of MMP-2 and MMP-9 genotype and frequency distribution in patients with colorectal cancer with different pathological characteristics.

Clinicopathological features		Number of cases	MMP-2		χ^2		MMP-9		χ^2
			(−735(C/T))				(−1562(C/T))
			CC	CT + TT			TT	CT + CC
			(n = 206)	(n = 102)			(n = 15)	(n = 293)
TNM	Phase I-II	169	103	66	5.958	0.015	4	165	5.065	0.024
Staging	Phase III-IV	139	103	36			11	128
Lymph node metastasis	No	186	116	70	4.327	0.038	5	181	4.825	0.028
	Yes	122	90	32			10	112