Table 2.

Associations between receptors of the ErbB family and pathologic characteristics of the bladder tumors

	EGFR		HER-2		HER-3		HER-4
	Rela	Pb	Rela	Pb	Rela	Pb	Rela	Pb
Growth pattern		(0.0007)		(0.037)		(NS)		(<0.0001)
Papillary	33.5±24.4		34.3±30.1		30.6±28.0		19.1±20.8
Non-papillary	46.2±30.6		26.4±26.7		25.7±22.5		4.6±7.1
Grade		(0.002)		(NS)		(NS)		(<0.0001)
Low	31.4±25.2		30.0±27.8		30.4±29.0		19.4±21.1
High	44.0±28.9		31.8±29.7		26.8±23.5		7.5±12.6
Stage		(<0.0001)		(0.036)		(NS)		(<0.0001)
Superficial	31.1±23.8		35.3±25.6		31.7±28.0		20.6±21.0
Invasive	46.6±29.7		26.8±27.8		25.8±23.3		5.6±9.6

^aRel - relative expression

^bP-value