• Retrospective• No data on steroid use, MGMT promoter methylation status, and IDH mutation status (patients diagnosed between 2014 and 2018)• 51 (37.8%) did not receive any postoperative treatment• Lymphocyte counts but not neutrophil counts in isolation were prognostic• Multivariate analysis adjusted for age, sex, extent of resection, KPS, tumor grade, and therapy. This evidence concerns the gene IDH1 and neoplasm.