Table 2.

Univariate and multivariate analyses of prognostic factors for overall survival

Variable	Univariate analysis			Multivariate analysis
	HR	95% CI	P	HR	95% CI	P
Gender (female/male)	0.876		0.376
Age (< 65/ ≥ 65)	0.704	0.487–1.017	0.061
KPS (< 60/ ≥ 60)	0.315	0.227–0.438	< 0.001	3.624	2.525–5.203	< 0.001
Cystic change (yes/no)	1.306	1.097–.1.555	0.003
Extent of tumor resection (part/complete)	0.684	0.532–0.880	0.003
Tumor location
Right/left	0.687	0.519–0.909	0.009
Bilateral/left	0.885	0.668–1.171	0.392
Ki67 (< 30%/ ≥ 30%)	1.594	1.183–2.149	0.002
TP53 (mutation/no mutation)	1.329	0.994–1.775	0.055
Reoperation (yes/no)	1.118	0.899–1.391	0.316
SII	2.24	1.651–3.040	< 0.001	2.238	1.471–3.406	< 0.001
SIRI	0.652	0.484–0.879	0.005
NLR	1.601	1.195–2.146	0.002
PLR	1.201	0.890–1.611	0.222
MLR	1.147	0.827–1.590	0.412
AGR	1.14	0.798–1.629	0.472