Table 3.

Statistical significance of the correlations between overall survival and COX-2 expression in cancer epithelial cells

	Ab1	Ab2	Ab3
Kaplan-Meier analysis
ALG 1	NS	0.007	0.032
ALG 2	-	0.043	0.020
ALG 3	NS	0.007	NS
Cox model including expression of ER, PR and HER
ALG 1	NS	NS	0.017
ALG 2	-	NS	NS
ALG 3	NS	0.017	NS
Cox model including clinico-pathological parameters pT and pN
ALG 1	NS	0.036	NS
ALG 2	-	NS	0.050
ALG 3	NS	0.001	NS
Cox model including all the parameters (ER, PR, HER-2, pT and pN)
ALG 1	NS	NS	NS
ALG 2	-	NS	NS
ALG 3	NS	0.002	NS

(NS - not significant).