Table 2.

Variable assignment table for multivariate analysis

Factor	Variable	Assignment
Gender	X1	Male = 1, Female = 2
Age	X2	<60 y = 1, ≥60 y = 2
Tumor diameter	X3	<4 mm = 1, ≥4 mm = 2
Tumor location	X4	Cardia = 1, Gastric body = 2
NLR	X5	<2.26 = 1, ≥2.26 = 2
PLR	X6	<142.37 = 1, ≥142.37 = 2
TNM staging	X7	I-II = 1, III-IV = 2
Infiltration depth	X8	T1-T2 = 1, T3-T4 = 2

Abbreviations: NLR, Neutrophil/Lymphocyte Ratio; PLR, Platelet/Lymphocyte Ratio; TNM staging, Tumor-Node-Metastasis staging.