Fig. 1From: Amyloid PET, FDG-PET or MRI? - the power of different imaging biomarkers to detect progression of early Alzheimer’s diseaseEffect sizes and minimal sample sizes based on post-hoc power calculations for the individual biomarkers to monitor disease progression in early AD in a prospective 24-month follow-up study. n: number; FDG-PET: 18F-fluordeoxyglucose positron emission tomography; PiB-PET: 11C-Pittsburgh compound B (PiB)Back to article page