Retrospective Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 100999
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.100999
Table 3 Comparison of estimated blood loss and delta hemoglobin among the three groups
Blood loss
OPD (n = 511)
LPD (n = 982)
CTOPD (n = 229)
P value
EBL (mL), interquartile range200.0 (50.0-300.0)50.0 (50.0-200.0)200.0 (50.0-400.0)< 0.001
IΔHb (g/L), interquartile range22.00 (12.00-6.00)21.00 (10.00-33.00)33.00 (18.12-52.24)< 0.001
PΔHb (g/L), interquartile range25.87 (13.51-42.00)25.00 (14.00-45.00)37.48 (21.64-59.65)< 0.001