Table 3. Univariate analysis based identification of prognostic factors for PFS and OS in ENKTL patients.

Variables	Progression-free survival			Overall survival
	HR	95% CI	P value	HR	95% CI	P value
Age (≤ 45 or > 45)	1.149	0.675–1.958	0.609	1.535	0.805–2.926	0.193
Gender (Male or Female)	0.682	0.360–1.293	0.241	0.700	0.319–1.533	0.372
Ann Arbor Stage (IE or IIE)	1.940	1.102–3.416	0.022	2.482	1.268–4.859	0.008
LDH Elevated	1.203	0.673–2.151	0.532	1.410	0.707–2.813	0.329
ECOG (0–1 or > 1)	2.487	0.898–6.893	0.080	4.037	1.423–11.450	0.009
IPI (0–1 or > 1)	1.357	0.540–3.410	0.516	2.784	1.152–6.729	0.023
KPI (0–1 or > 1)	1.233	0.697–2.182	0.472	1.716	0.882–3.328	0.112
B symptoms (Yes or No)	1.354	0.802–2.303	0.254	1.336	0.696–2.565	0.383
βLRI (≤ 4.87 or > 4.87)	2.093	1.138–3.850	0.018	2.798	1.405–5.572	0.003
LLRI (≤ 128.44 or > 128.44)	1.549	0.911–2.626	0.104	1.977	1.030–3.794	0.040
NLR (≤ 2.36 or > 2.36)	1.045	0.618–1.767	0.870	1.479	0.771–2.838	0.239
dNLR (≤ 1.42 or > 1.42)	1.373	0.760–2.481	0.294	2.714	1.132–6.500	0.025
M/GLR (≤ 2.65 or > 2.65)	1.371	0.807–2.330	0.244	2.141	1.074–4.266	0.030
PLR (≤ 220.13 or > 220.13)	1.546	0.798–2.994	0.197	1.786	0.815–3.918	0.148