Methylation and Expression of Retinoblastoma and Transforming Growth Factor-𝜷1 Genes in Epstein-Barr Virus-Associated and -Negative Gastric Carcinomas

Table 2

Comparison of clinicopathological data between EBVaGC and EBVnGC patients.

	EBVaGC (𝑛=30)	EBVnGC (𝑛=38)	χ ^2	𝑃
Age (yr)
<50	18	19	0.676	0.411
≥50	12	19
Gender
Male	27	31	—	0.494
Female	3	7
Pathologic grade
Poorly differentiated	28	32	—	0.288
Well-moderately  differentiated	2	6
Location
Gastric cardia	7	7	—	0.738
Gastric body	13	15
Antrum	10	16
Depth of invasion
Invasion to serosa and  invasion through serosa	22	24	0.793	0.373
Not invading serosa	8	14
Lymph node metastasis
Positive	17	21	0.134	0.908
Negative	13	17