Table 3.

The univariate and multivariate analyses results.

	Overall survival			Progression-free survival
Factor	Univariate p-value	Multivariate p-value	HR	Univariate p-value	Multivariate p-value	HR
Gender (male vs female)	0.24	—	—	0.34	—	—
Age group (<70 vs. ≥70 years)	0.20	—	—	0.49	—	—
ECOG (0–1 vs. 2)	<0.001	0.008	1.96	0.002	0.011	1.78
Anemia (absent vs present)	0.016	0.024	1.64	0.032	0.036	1.52
T-stage (1–2 vs. 3–4)	0.009	0.017	1.42	0.004	0.007	1.51
N-stage (1 vs. 2–3)	0.006	0.009	1.63	0.002	0.005	1.74
PIV (<417 vs. ≥ 417)	<0.001	<0.001	3.28	<0.001	<0.001	2.39

HR: hazard ratio; ECOG: eastern cooperative oncology group; T-stage: tumor stage, N-stage: nodal stage; PIV: pan-immune-inflammation value.