Fig. 5

Prognosis analysis in the training cohort. A, B The distribution and median values of PTG scores. C, D Kaplan–Meier curves for the OS and PFS of GC patients in the low and high PTG score groups. E Area under the curve (AUC) of time-dependent receiver operating characteristic (ROC) curves at 1, 3 and 5 years. F Principal component analysis (PCA) analysis showed different distribution patterns in the low and high PTG score groups. The ellipse represents the 95% confidence interval