Table 3.

Score of catalase immunostaining on ICC and normal counterpart tissues

Sample	CAT		SODM		DBI		PRDX6
Sample	Tumor area	Normal area	Tumor area	Normal area	Tumor area	Normal area	Tumor area	Normal area
1	positive	negative	NA	NA	NA	NA	NA	NA
2	weakly positive	negative	NA	NA	NA	NA	NA	NA
3	positive	negative	NA	NA	NA	NA	NA	NA
4	weakly positive	negative	NA	NA	NA	NA	NA	NA
5	positive	negative	4+	Weak positivity	Strong positivity	Intermediate positivity	negative	negative
6	positive	negative	4+	Weak positivity	Intermediate positivity	Weak positivity	2+	negative
7	positive	negative	3+	Weak positivity	Intermediate positivity	Weak positivity	2+	negative
8	strongly positive	negative	NA	NA	NA	NA	NA	NA
9	positive	negative	3+	Weak positivity	Strong positivity	Intermediate positivity	3+	Weak positivity
10	positive	negative	4+	Intermediate positivity	Intermediate positivity	Weak positivity	2+	negative
11	positive	negative	4+	negative	Weak positivity	Weak positivity	4+	Weak positivity
12	positive	negative	4+	negative	Weak positivity	Weak positivity	negative	negative
13	strongly positive	negative	3+	Weak positivity	Intermediate positivity	Weak positivity	2+	negative
14	positive	negative	4+	Intermediate positivity	Intermediate positivity	Intermediate positivity	negative	negative
15	positive	negative	4+	Weak positivity	Strong positivity	Intermediate positivity	3+	Weak positivity
16	NA	NA	4+	Weak positivity	Strong positivity	Weak positivity	2+	negative

NA not available