Retrospective Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Nov 27, 2024; 16(11): 3511-3519
Published online Nov 27, 2024. doi: 10.4240/wjgs.v16.i11.3511
Table 2 Surgical outcomes

Stone residual
Operation time (min)
Intraoperative bleeding (mL)
Control group (n = 40)7171.25 ± 48.5152.05 ± 72.34
Observation group (n = 42)2144.24 ± 47.8920.60 ± 16.94
t/χ23.4022.5372.741
P value0.0650.0130.008