Retrospective Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 101609
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.101609
Table 4 Postoperative drainage volume, mean ± SD

Control group
Observation group
t value
P value
3-day drainage tube drainage volume (mL)671.03 ± 228.52670.21 ± 219.150.350.52
7-day drainage tube drainage volume (mL)1220.95 ± 506.431224.85 ± 503.050.630.31
Total drainage tube drainage volume(mL)1652.63 ± 520.151662.15± 521.830.540.37