Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Jul 27, 2023; 15(7): 1363-1374
Published online Jul 27, 2023. doi: 10.4240/wjgs.v15.i7.1363
Figure 1
Figure 1 Kaplan-Meier survival curves for ampullary carcinoma patients after curative pancreaticoduodenectomy. A: Overall survival curve; B: Recurrence-free survival curve. PBT: Perioperative blood transfusion; OS: Overall survival; RFS: Recurrence-free survival.
Figure 2
Figure 2 Kaplan–Meier survival curves according to the red blood cell ‘dose’ (0 unit, 1-4 units, and ≥ 5 units). A: Overall survival curve; B: Recurrence-free survival curve. OS: Overall survival; RFS: Recurrence-free survival.
Figure 3
Figure 3 Kaplan–Meier survival curves according to the subgroups. A: Overall survival curve in stage T1; B: Recurrence-free survival curve in stage T1; C: Overall survival curve in stage T2; D: Recurrence-free survival curve in stage T2; E: Overall survival curve in stage T3; F: Recurrence-free survival curve in stage T3. PBT: Perioperative blood transfusion; OS: Overall survival; RFS: Recurrence-free survival.