APOC1 and glioblastoma: Mean ApoC1 level in the samples of the whole cohort was 132.03 μg/mL (n = 230, SD = 292.91), in glioblastoma samples 130.00 μg/mL (n = 176, SD = 314.90), in anaplastic astrocytoma 124.60 μg/mL (n = 28, SD = 139.64), and in the samples from patients with spinal procedures 215.10 (n = 11, SD = 404.91).