Epstein-Barr virus-associated gastric carcinoma in Kazakhstan

Table 1 Incidence of EBER-1 expression in gastric carcinoma by histological type.

Histological type	Male Positive/tested (%)	Female Positive/tested (%)	Total Positive/tested (%)
Intestinal	1/30 (3.3)	0/18 (0)	1/48 (2.1)
Tub1	0/7 (0)	0/11 (0)	0/18 (0)
Tub2	1/23 (4.3)	0/7 (0)	1/30 (3.3)
Diffuse	11/56 (19.6)	2/35 (5.7)	13/91 (14.2)
Por1	7/16 (43.7)	2/13 (15.3)	9/29 (31.0)
Por2	4/22 (18.1)	0/6 (0)	4/28 (14.2)
Sig	0/15 (0)	0/12 (0)	0/27 (0)
Muc	0/3 (0)	0/4 (0)	0/7 (0)

Table 2 Clinicopathological characteristics of EBV incidence in gastric cancer patients.

	Intestinal type Positive/tested (%)	Diffuse type Positive/tested (%)	Total Positive/tested (%)
Age (yr)
20-39	1/2 (50.0)	2/15 (13.3)	3/17 (17.6)
40-59	1/20 (5.0)	5/45 (11.1)	6/65 (9.2)
≥60	0/26 (0)	5/31 (16.1)	5/57 (8.7)
Race
Asian	0/16 (0)	5/40 (12.5)	5/56 (8.9)
Caucasian	1/32 (3.1)	8/51 (15.6)	9/83 (10.8)
Sex
Male	1/30 (3.3)	11/56 (19.6)	12/86 (13.9)
Female	0/18 (0)	2/35 (5.7)	2/53 (3.7)
Location
Upper	1/15 (6.6)	5/33 (15.1)	6/48 (12.5)
Lower	0/19 (0)	8/40 (20.0)	8/59 (13.5)
Unknown	0/14 (0)	0/18 (0)	0/32 (0)