Fig. 2From: Smaller pineal gland is associated with rapid eye movement sleep behavior disorder in Alzheimer’s diseaseDiagnostic accuracy for the prevalent probable rapid eye movement sleep behavior disorder of the pineal parenchyma volume in a all participants and b participants with Aβ-positive Alzheimer’s disease. Aβ, amyloid beta; VPP, pineal parenchyma volume (mm3); AUC, area under the curve; CI, confidence intervalBack to article page