TARDBP and Alzheimer disease: The AUC of plasma Aβ42/Aβ40 was higher, however, when using neuropathologically confirmed cases (AUC of 0.72 for intermediate to high likelihood of AD [n = 34] vs non‐AD [n = 47], where primary neuropathological diagnoses included PART (seven possible, 11 definite), 13 PD, three PSP, two VaD, three with white matter changes due to infarcts, one ALS, one multiple sclerosis, one showing diffuse astrocytoma, two CBD, one FTLD with TDP‐43 pathology, and two with NFT predominant dementia) (Palmqvist et al, 2020).