Table 3.

Multivariate Cox regression analysis of immunohistochemical markers including all factors potentially influencing PFS.

Variable	HR	p-Value	95%CI
			Lower	Upper
FGFR3 high/Ki67high	3.943	0.019	1.247	12.466
pT status	0.957	0.941	0.295	3.105
Tumor grade	0.846	0.823	0.196	3.653
Keratin 5/6	0.482	0.280	0.128	1.812
Keratin 20	0.424	0.115	0.146	1.232
Age	1.773	0.347	0.537	5.847