Cumulative incidence of ICANS grades 2 to 4, according to EASIX-FC. Both intermediate-risk groups vs reference: HR, 2.1 (95% CI, 1.1-3.9); P = .025. High- vs intermediate-risk groups: HR, 1.8 (95% CI 1.1-2.9); P = .03. Only patients with available ferritin levels were eligible for this analysis.