Loss of heterozygosity of Kras2 gene on 12p12-13 in Chinese colon carcinoma patients

Table 4 Correlation between LOH on chromosome 12p12-13 and clinical pathologic factors

Clinical character	LOH		Total	Ratio (%)	P
	+	-
Tissue class
Adjacent Tumor	3	7	10	30	0.17753
Tumor	6	4	10	60
Age (yr)
≤50	4	3	7	70	0.77816
>50	2	1	3	30
Sex
Male	5	2	7	70	0.25979
Female	1	2	3	30
Tumor size (cm)
<5	3	1	4	40	0.42919
≥5	3	3	6	60
Lymph node matastasis
Yes	4	2	6	60	0.598161
No	2	2	4	40