Table 3. Summary data for Cox regression analysis of survival in patients with HCC in each decade from 1983 to 2012 at eighteen SEER sites.

Variable	Hazard Ratio (95% CI)	p-value
All 1983-2012
Univariate
Sex	0.941 (0.919 − 0.963)	< 0.001
Age	1.016 (1.015 − 1.017)	< 0.001
Race	1.151 (1.121 − 1.181)	< 0.001
SES	1.086 (1.064 − 1.108)	< 0.001
Multivariate
Sex	0.878 (0.857 − 0.898)	< 0.001
Age	1.017 (1.016 − 1.018)	< 0.001
Race	1.204 (1.173 − 1.236)	< 0.001
SES	1.081 (1.059 − 1.104)	< 0.001
All 1983-1992
Univariate
Sex	0.775 (0.717 − 0.838)	< 0.001
Age	1.013 (1.010 −1.015)	< 0.001
Race	1.148 (1.046 − 1.260)	= 0.004
SES	1.082 (1.009 − 1.160)	= 0.027
Multivariate
Sex	0.772 (0.714 − 0.835)	< 0.001
Age	1.014 (1.011 − 1.016)	< 0.001
Race	1.195 (1.089 − 1.312)	< 0.001
All 1993-2002
Univariate
Sex	0.923 (0.885 − 0.963)	< 0.001
Age	1.014 (1.012 − 1.015)	< 0.001
Race	1.167 (1.109 − 1.228)	< 0.001
SES	1.053 (1.013 − 1.095)	= 0.010
Multivariate
Sex	0.866 (0.830 − 0.904)	< 0.001
Age	1.015 (1.014 − 1.017)	< 0.001
Race	1.246 (1.183 − 1.312)	< 0.001
All 2003-2012
Univariate
Sex	0.928 (0.901 − 0.956)	< 0.001
Age	1.016 (1.014 − 1.017)	< 0.001
Race	1.157 (1.121 − 1.194)	< 0.001
SES	1.154 (1.124 − 1.184)	< 0.001
Multivariate
Sex	0.865 (0.840 − 0.891)	< 0.001
Age	1.017 (1.016 − 1.018)	< 0.001
Race	1.198 (1.160 − 1.237)	< 0.001
SES	1.150 (1.120 − 1.180)	< 0.001

Abbreviations: 95% CI, 95% confidence interval; SES, socioeconomic status.