Retrospective Study
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Feb 27, 2023; 15(2): 193-200
Published online Feb 27, 2023. doi: 10.4240/wjgs.v15.i2.193
Table 1 Comparison of preoperative and postoperative angle and distance in the experimental groups

Preoperative
Postoperative
t
P value
Angle (°)23.50 ± 4.2314.67 ± 3.0812.5620.000
Distance (mm)9.33 ± 1.375.17 ± 1.726.9340.001