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. 2026 Sep 28;16:1849274. doi: 10.3389/fonc.2026.1849274

Figure 4.

Panel A shows a K-S curve with threshold values on the x-axis and rate on the y-axis, highlighting a KS statistic of 0.5380 at a red dashed line intersection. Panel B and C present grouped bar and line charts showing patient count and mortality across three risk groups, with higher risk corresponding to increased mortality. Panels D and E depict scatterplots with risk scores for patients categorized into low, medium, and high-risk groups, with population counts annotated for each group, separated by dotted lines.

Kolmogorov–Smirnov (K–S) curve analysis and patient risk stratification. (A) K–S curve. (B) Mortality rates and patient counts across different risk groups in the TCGA cohort. (C) Mortality rates and patient counts across different risk groups in the institutional validation dataset. (D) Risk scores and patient counts across different risk groups in the TCGA cohort. (E) Risk scores and patient counts across different risk groups in the institutional validation dataset.