HMGA2 and glioblastoma: The result indicated that except for the gender, 9 ceRNAs (including H19, HOTAIR, miR-2223p, miR148A, PCDHGB4, GMNC, LRP2, MBP and HMGA2) and 6 clinical features (age, grade, 1p/19q codeletion, IDH status and histological type) were closely related to OS (p < 0.05) in GBM and LGG cohorts.