Table 2.

Comparison of different prognosticators in single studies on breast cancer.

LN +	Prognosticator	P value
Kuopio et al. 1998 [34]
	1. Bcl-2	0.017
	2. p53	0.121
	3. Cystatin A	0.386
Jalava et al. 2002 [16]
	1. ErbB2	0.0002
	2. SMI	0.0014
	3. Bcl-2	0.048
Elzagheid et al. 2002 [150]
	1. E-cadherin	0.0006
	2. SMI	0.0133
LN -
Kuopio et al. 1998 [34]
	1. Cystatin A	0.010
	2. p53	0.021
	3. Bcl-2	0.874
Jalava et al. 2002 [16]
	1. SMI	0.0001
	2. ErbB2	N.S.
	3. Bcl-2	N.S.
Elzagheid et al. 2002 [150]
	1. SMI	0.0299
	2. E-cadherin	0.5581

P values refer to the results of univariate analysis. Comparison of univariate analyses in a study allows one to conclude on the relative strengths of different prognosticators.