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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Aug 14, 2026; 32(30): 118301
Published online Aug 14, 2026. doi: 10.3748/wjg.118301
Figure 4
Figure 4 Development of the two-step hierarchical stratification strategy. A: Mortality rates for the primary stratification based on serum creatinine (CRE) level in the training and test sets; B: Shapley Additive exPlanations feature importance plots for the high-CRE and low-CRE subgroups, both identifying total bilirubin (TBIL) level as the top predictor; C: Mortality rates for the secondary stratification by TBIL level within the high-CRE subgroup; D: Mortality rates for the secondary stratification by TBIL level within the low-CRE subgroup. CRE: Creatinine; TBIL: Total bilirubin.


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