Kaplan-Meier OS analysis further supported these findings, as demonstrated by the log-rank test (<i>p</i> = 0.044 and <i>p</i> = 0.007, respectively).<h4>Conclusion</h4>In this study, we observed that <i>NF1</i> mutation was associated with poorer OS in a cohort of Korean GBM patients across several analyses. This evidence concerns the gene NF1 and glioblastoma.