Table 1. Prognostic value of EHF amplification in univariate and multivariate Cox regression analysis (n=131).

Characteristics	Univariate analysis		Multivariate analysis
	HR (95% CI)	P-value	HR (95% CI)	P-value
EHF amplification	2.593 (1.583–4.249)	0.0002	2.426 (1.474–3.991)	<0.0001
Male versus female	0.886 (0.483–1.626)	0.696	—	—
Agea	1.334 (1.052–1.692)	0.017	1.210 (0.949–1.543)	0.125
Differentiationb	1.439 (0.874–2.369)	0.152	—	—
TNM stagec	2.814 (1.940–4.081)	<0.0001	2.748 (1.872–4.043)	<0.0001

Abbreviations: CI, confidence interval; HR, hazard ratio

^aAge (per 10 years)

^bDifferentiation (well or moderate; poor or no differentiation)

^cTNM stage (I; II; III; IV)