MAPT and normal pressure hydrocephalus: CSF levels of Aβ42, t-tau, and p-tau were not significantly different between the probable and unlikely NPH groups (444.22 ± 163.3 vs. 392.61 ± 213.6 pg/mL, p = 0.825; 193.29 ± 92.3 vs. 158.46 ± 92.9 pg/mL, p = 0.514; and 26.05 ± 9.2 vs. 24.67 ± 11.4 pg/mL, p = 0.994; respectively).