Table 4.

Statistically significant relationships between staining intensity and established pathologic parameters

Antiserum and stain location	Parameter assessed	Number of samples	Mean stain intensity	Statistical significance
Npp stroma in cancer	Tubule formation score			P=0.015
	1	8	0.5
	2	15	0
	3	39	0
Npp cytoplasm in cancer	Progesterone receptor			P=0.044
	Positive	28	1
	Negative	40	1.5
Npp cytoplasm in cancer	Estrogen receptor			P=0.012
	Positive	35	1
	Negative	32	1.5
V1a cytoplasm in cancer	Node status			P=0.009
	Positive	17	1.5
	Negative	52	2

Npp, amino propeptide.