Table 3.

Univariate and multivariate analyses of prognostic factors for progression-free survival

Variable	Univariate analysis				Multivariate analysis
	HR	95% CI	P	HR		95% CI	P
Gender (female/male)	0.916	0.684–1.228	0.558
Age (< 65/ ≥ 65)	3.782	2.563–5.580	< 0.001	3.965		2.660–5.910	< 0.001
KPS (< 60/ ≥ 60)	0.989	0.973–1.005	0.170
Cystic change (yes/no)	1.265	1.063–1.506	0.008
Extent of tumor resection (part/complete)	0.605	0.469–0.780	< 0.001
Tumor location
Right/left	0.358	0.172–0.746	0.006
Bilateral/left	0.475	0.228–0.989	0.047
Ki67 (< 30%/ ≥ 30%)	1.571	1.168–2.113	0.003	1.506		1.119–2.033	0.007
TP53 (mutation/wild)	1.237	0.926–1.653	0.150
Reoperation (yes/no)	1.165	0.936–1.449	0.172
SII	2.13	1.568–2.893	< 0.001	2.000		1.472–2.716	< 0.001
SIRI	0.704	0.522–0.948	0.021
NLR	1.638	1.221–2.197	0.001
PLR	1.266	0.943–1.699	0.122
MLR	1.268	0.914–1.768	0.155
AGR	1.108	0.775–1.583	0.573