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 2 Comparison of the number of lymph nodes and the number of positive lymph nodes between the regional sorting group and non-sorting group

Pieces, median (interquartile range)
Z
P value
Regional sorting group
Non-sorting group
The number of lymph nodes detected32.5 (24.0, 42.0)21.0 (17.0, 28.0)-10.775< 0.001
Number of positive lymph nodes2.0 (0.0, 9.0)3.0 (0.0, 9.0)-0.1720.863