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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. May 27, 2026; 18(5): 116135
Published online May 27, 2026. doi: 10.4240/wjgs.v18.i5.116135
Figure 4
Figure 4 Survival analysis of patients with low vs high intratumoral fibrosis before and after inverse probability of treatment weighting. Comparisons between groups were performed using the log-rank test. A: Recurrence-free survival (RFS) before inverse probability of treatment weighting (IPTW) in training cohort; B: RFS after IPTW in training cohort; C: Overall survival (OS) before IPTW in training cohort; D: OS after IPTW in training cohort; E: RFS before IPTW in validation cohort; F: RFS after IPTW in validation cohort; G: OS before IPTW in validation cohort; H: OS after IPTW in validation cohort. HR: Hazard ratio; IPTW: Inverse probability of treatment weighting: ITF: Intratumoral fibrosis.


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