Table 3a. Cox multivariable analysis of prognostic indicators.

Variable	β	s.e. (β)	HR	P-value	HR 95% CI
Grade 3 (reference grade 1 or 2)	0.982	0.395	2.670	0.013	1.231–5.792
Stage pT2+ (reference pTa or pT1)	1.997	0.306	7.369	<0.001	4.043–13.429
High EGFR (reference low EGFR)	1.062	0.239	2.891	<0.001	1.809–4.620

Abbreviations: CI=confidence interval; EGFR=epidermal growth factor receptor; HR=hazard ratio.