Table 1.

ZIP1 immuno-positivity of glandular components in tissue sections of confirmed cases of prostate cancer.

Case no.	Grade	ZIP1 IHC scorea
		Normal	PIN	BPH	Malignant
1	3	+++		+++	Negative
2	3		+	++	+
3	1		Negative	+	Negative
4	2			+	Negative
5	2			Negative	Negative
6	1	Negative		+++	Negative
7	2	++		+	+
8	1			+++	+
9	1	++		+++	Negative
10	2			+++	Negative
11	1			++	Negative
12	2			Negative	Negative
13	1			++	+
14	1			+	Negative
15	1			+	Negative
16	1		Negative	+	Negative
17	2			+++	+
18	1		+	++	+
19	1			+	Negative
20	1			+	Negative
21	2		+	+++	+
22	1			Negative	Negative
NEG ZIP1 IHC				3/22 (14%)	15/22 (68%)*
SCORES > +		3/4	0/6	11/22	0/22*
MEAN SCOREb		1.75	0.6	1.68(1.09)	0.32(0.48)*

^a Scoring of immunoreactivity was done as follows: negative, no positive cells; score +, <10% positive cells; score ++, 10–50% positive cells; score +++, >50% positive cells

^b MEAN SCORE: MEAN(SD) for each group was obtained by the sum of the +'s/number of cases.

* P < 0.01; BPH VS MALIGNANT GROUPS