Up-regulation of tumor necrosis factor-α pathway survival genes and of the receptor TNFR2 in gastric cancer

Table 1 Characterization of individuals with normal mucosa and gastric cancer

Variable	NM n (%)	GC n (%)
Gender
Female	3 (75.0)	6 (20.0)
Male	1 (25.0)	24 (80.0)
Total	4	30
Age (yr) Mean ± SD	30 ± 12.5	65 ± 13.8
	< 30, 3 (75)	< 65, 16 (53.3)
	³ 30, 1 (25)	³ 65, 14 (46.7)
Total	4	30
Smoking
Yes	0 (0)	18 (64.3)
No	4 (100)	10 (35.7)
Total	4	281
Drinking
Yes	0 (0)	14 (50.0)
No	4 (100)	14 (50.0)
Total	4	281
H. pylori
Positive	0 (0)	15 (50.0)
Negative	4 (100)	15 (50.0)
Total	4	30
Histological type
Intestinal	-	26 (86.7)
Diffuse	-	4 (13.3)
Total	-	30

¹Parameter not available for some individuals. SD: Standard deviation; NM: Normal mucosa; GC: Gastric cancer; H. pylori: Helicobacter pylori.