Cost-effective low-coverage whole-genome sequencing assay for the risk stratification of gastric cancer

Table 1 Clinical features of the 40 study patients diagnosed with gastric cancer

	EBV+	H. Pylori+	ERBB2+	KRAS+	P value
Age (yr), mean ± SD	62.2 ± 6.4				No significance
Sex, n					No significance
Male	3	13	8	5
Female	2	2	1	2
Tumor location, n					P = 0.013 (H. Pylori associated with antrum)
Cardia/fundus	5	2	3	1
Polyrus/antrum	0	13	5	6
Other	0	0	1	0
Borrmann, n					P = 0.013 (H. Pylori associated with ulcerative)
Type I	1	1	2	2
Type II	1	7	4	1
Type III	1	7	2	2
Type IV	2	0	1	1
Gastritis, n					No significance
Yes	0	4	2	2
No	5	11	7	5
Vascular invasion, n					No significance
Yes	2	9	1	2
No	3	6	8	5

H. Pylori: Helicobacter pylori.