Table 5. Multivariate Cox regression analysis with forward selection.

Overall survival
Variables in the Equation		HR	95% CI	p-value	overall p-value
Step 1	age	1.05	1.01 to 1.09	0.009	0.008
Step 2	stageI_II	2.41	1.32 to 4.43	0.004	0.001
	age	1.06	1.02 to 1.10	0.002
Step 3	stageI_II	2.10	1.14 to 3.87	0.018	0.000185
	age	1.06	1.02 to 1.10	0.003
	gal9d5	0.52	0.28 to 0.97	0.039
Step 4	stageI_II	2.41	1.30 to 4.49	0.006	0.000099
	age	1.05	1.01 to 1.10	0.008
	gal1	2.08	1.09 to 3.97	0.026
	gal9d5	0.46	0.24 to 0.85	0.013

HR = hazard ratio; CI = confidence interval.