PTMA and glioblastoma: Further, higher PTMA mRNA expression was associated with poor OS in LGG (HR = 1.92, 95% CI = 1.51–2.44, P<0.0001, Figure 3H) but not in GBM (HR = 1.22, 95% CI = 0.97–1.52, P=0.084, Figure 3I).