Table 1.

Association of PNI and SII with clinical characteristics in the study cohort

Variables	N	Percentage	PNI			SII
			<53.0	≥53.0	P-value*	<527.20	≥527.20	P-value*
Age (years)					<0.001			0.292
<60	469	80.2	192	277		276	193
≥60	116	19.8	84	32		62	54
Sex					0.133			0.804
Male	420	71.8	190	230		244	176
Female	165	28.2	86	79		94	71
Tumor classificationa					0.220			0.027
T1–T2	287	49.1	128	159		179	108
T3–T4	298	50.9	148	150		159	139
Nodal classificationa					0.081			0.578
N0–N1	266	45.5	136	130		157	109
N2–N3	319	54.5	140	179		181	138
TNM stagea					0.368			0.730
I–II	120	20.5	61	59		71	49
III–IV	465	79.5	215	250		267	198

Notes: Bolding shows P value < 0.05.

^*Chi-square (χ²) test, P < 0.05.

^aTNM staging system according to the American Joint Committee on Cancer (7th edition).

Abbreviations: PNI, prognostic nutritional index; SII, systemic immune-inflammation index.