Differences in oxidative stress dependence between gastric adenocarcinoma subtypes

Table 3 Correlation of staining with stage grouping^a

Stagesb	iNOScNo. of casesTotal positive(%)	NTYRcNo. of casesTotal positive (%)	8OH-dGcNo. of casesTotal positive (%)
Stage 0	7 1 (14)	7 6 (86)	10 5 (50)
Stage I	22 9 (41)	21 15 (71)	21 12 (57)
TC	16 8 (50)	16 12 (75)	16 10 (63)
DC	3 0 (0)	2 2 (100)	2 2 (100)
PolyC	3 1 (33)	3 1 (33)	3 0 (0)
Stage II+III	13 5 (38)	10 4 (40)	12 5 (42)
TC	8 4 (50)	5 4 (80)	7 3 (43)
DC	2 1 (50)	2 0 (0)	2 2 (100)
PolyC	3 0 (0)	3 0 (0)	3 0 (0)
Stage IV	19 9 (47)	14 10 (71)	18 10 (56)
TC	9 7 (78)	8 6 (75)	9 5 (56)
DC	5 0 (0)	3 2 (67)	4 1 (25)
PolyC	5 2 (40)	3 2 (67)	5 4 (80)
All stages (early cancer excluded)	36 16 (44)	29 17 (59)	35 17 (49)
TC	20 12 (60)	17 13 (76)	20 10 (50)
DC	7 1 (14)	5 2 (40)	6 3 (50)
DC+PolyC	16 4 (25)	12 4 (33)	15 7 (47)
Early cancer (pTis + pT1)	25 8 (32)	23 18 (78)	26 15 (58)
TC	20 8 (40)	19 15 (79)	22 13 (59)
DC	3 0 (0)	2 2 (100)	2 2 (100)
DC+PolyC	5 0 (0)	4 3 (75)	4 2 (50)

(a) Determination according to the newly revised classification of the AJCC and UICC. (b) TC: Intestinal or tubular carcinoma; DC: Diffuse carcinoma; PolyC: Mixed polymorphous carcinoma. (c) iNOS: Inducible nitric oxide synthase; NTYR: Nitrotyrosine; 8OH-dG: 8-hydroxy-2’-deoxyguanosine.