Observational Study
Copyright ©The Author(s) 2022.
World J Gastrointest Oncol. Dec 15, 2022; 14(12): 2393-2403
Published online Dec 15, 2022. doi: 10.4251/wjgo.v14.i12.2393
Table 1 Baseline data of gastric cancer cases in the regional sorting group and non-sorting group

Regional sorting group (n = 324)
Non-sorting group (n = 337)
χ²
P value
Surgery1.7270.422
Proximal gastrectomy1927
Distal gastrectomy177189
Total gastrectomy128121
Tumor location2.7440.254
U4638
M9285
L186214
Immersion depth2.0710.558
T16960
T24238
T31921
T4194218
Differentiation degree2.8910.089
DCA181166
UCA143171