Table 3.

Associations Between FPNI Score and Clinicopathological Characteristics

Characteristics	FPNI Score
	0 (N = 199)	1 (N = 282)	2 (N = 208)	P values
Age (years)				<0.001
≥66	44	89	99
<66	155	193	109
Sex				0.700
Male	151	209	161
Female	48	73	47
ASA score				<0.001
1	16	17	11
2	167	209	133
3	16	56	64
Tumor location				0.505
Upper	63	100	67
Middle	36	35	33
Lower	100	147	108
Tumor size (cm)				<0.001
≥4.6	61	128	139
<4.6	138	154	69
Histological grade				0.536
Well or moderately differentiated	67	92	60
Poorly or not differentiated	132	190	148
Vascular invasion				0.064
Yes	13	35	27
No	186	247	181
Perineural invasion				0.084
Yes	59	111	77
No	140	171	131
TNM stage				<0.001
I	64	41	12
II	47	59	38
III	86	172	144
IV	2	10	14
Adjuvant chemotherapy				0.382
Yes	106	160	105
No	93	122	103

Abbreviations: ASA score, American Society of Anesthesiologists score; FPNI score, fibrinogen and prognostic nutritional index score.