Table 2.

Univariate analysis of OS and PFS

Variable	Overall survival			Progression-free survival
	HR	95%CI	p-value	HR	95%CI	p-value
Age (< 67 vs. ≥ 67 yrs)	3.337	1.164–9.565	0.025	2.192	0.897–5.358	0.085
Stage (I vs. II - III)	0.829	0.430–1.596	0.574	0.855	0.476–1.539	0.620
Grade (1 vs. 2–3)	0.664	0.266–1.655	0.379	0.647	0.293–1.428	0.282
LMN (Negative vs. Positive)	1.269	0.290–5.563	0.752	2.487	0.833–7.429	0.103
HPV (Negative vs. Positive)	1.775	0.509–6.185	0.368	2.538	0.750–8.592	0.134
P53 (Wildtype vs. Mutant)	1.149	0.443–2.984	0.775	1.399	0.604–3.239	0.433
Ki-67 (Low vs. High)	1.447	0.558–3.756	0.448	1.100	0.469–2.582	0.826
TPS (< 1% vs. ≥ 1%)	1.442	0.532–3.904	0.472	1.469	0.610–3.534	0.391
CPS (< 1 vs. ≥ 1)	1.890	0.429–8.324	0.400	2.525	0.586–10.880	0.214
CD8 (Low vs. High)	0.998	0.368–2.703	0.996	0.682	0.264–1.762	0.430