NEFL and Lewy body dementia: Compared to control subjects, CSF NfL was increased in prodDLB and DLB groups, Fig. 3A (p < 0.001), and the AUC was 0.875 (95% CI 0.806–0.927) comparing control and prodDLB subjects and 0.944 (95% CI 0.895–0.974), comparing control and DLB patients.