The application of Cox proportional hazards (CoxPH) models to survival data and the derivation of hazard ratio (HR) are well established. Although nonlinear, tree-based machine learning (ML) models ...
Wu et al 1 conducted an interesting study-level meta-analysis comparing the efficacy of PD-1 antibody plus chemotherapy with chemotherapy alone in patients with PD-L1–expressing esophageal squamous ...