IGFBP2 and glioblastoma: Positive coefficients of IGFBP2, TYRO3, and NOD2 (0.2992, 0.2421068 and 0.2155469) suggested that their expression was associated with poor prognosis in GBM patients, while the negative coefficient of TCF3 (−0.6246210) indicated it was associated with better survival.