Case Control Study
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Jul 27, 2023; 15(7): 1354-1362
Published online Jul 27, 2023. doi: 10.4240/wjgs.v15.i7.1354
Table 1 Comparison of baseline data of the four groups

Group A
Group B
Group C
Group D
P value
n22222221
Sex (male/female)14/812/1011/1110/110.663
Age (yr)50.36 ± 5.6251.23 ± 5.4850.64 ± 5.0252.24 ± 5.820.722
Body mass index (kg/m2)22.17 ± 2.5223.64 ± 2.4222.17 ± 2.5222.64 ± 2.410.167
Pathologic tumor stage (I/II/III)10/7/59/7/68/8/69/6/60.996
Gastric cancer tissue type (adenocarcinoma/papillary adenocarcinoma/other)15/4/315/3/414/4/415/2/40.983