showed a trendP < 0.001
For brain cancer, the cohorts of LGG and GBM were combined, and the results showed a trend similar to that of KIRC in OS (HR = 3.87, 95% CI: 2.95–5.08, P < 0.001), DSS (HR =3.91, 95% CI: 2.94–5.20, P < 0.001), and PFI (HR = 2.57, 95% CI: 2.06–3.20, P < 0.001).