In addition to high prognostic accuracy, this viewpoint is supported by the high and similar correlations of p-tau, t-tau, and NfL at 24 hours, which was substantially higher than what is reported in AD studies.27 At 48 hours and 72 hours, however, the association of p-tau with NfL and t-tau was markedly reduced, p-tau levels were lower, and the prognostic capabilities of neurological outcome for p-tau were poor. This evidence concerns the gene NEFL and Alzheimer disease.