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The Kaplan–Meier curves showed the relationship between MTHFD family genes and three types of prognostic outcomes (overall survival (OS), disease-specific survival (DSS), and progression-free survival (PFI)) in OSCC. Patients were divided into two groups based on the median of gene expression. The survival outcomes of the two groups were evaluated by log rank tests. P < 0.05 was statistically significant.
