ALDH2, ALDH5A1, ALDH6A1, ALDH1L2, ALDH1B1, ALDH18A1, ALDH1A1, ALDH8A1, ALDH1B1 were found to be favorable factor for glioma patients with a hazard ratio (HR) <1. Here, ALDH6A1 is linked to glioma.