GFAP and Schnyder corneal dystrophy: Analysing the area under the curve (AUC) for GFAP and p-tau of the panel when comparing boxers to patients with SCD showed GFAP to have the highest discriminative ability (AUC = 0.905; CI = 0.781–1.000) followed by p-tau181 (AUC = 0.770; CI = 0.535–1.000) and p-tau217 (AUC = 0.762; CI = 0.538–0.985).