Extended Data Table 5 Number of participants contributing data to longitudinal analyses across major time segments

From: Physical activity as a modifiable risk factor in preclinical Alzheimer’s disease

  1. The number of participants contributing data to each 2.5-year time segments in the longitudinal Aβ, ITC tau, PACC5, and CDR-SOB analyses were summarized. Aβ = β-amyloid; CDR-SOB = Clinical Dementia Rating Sum of Boxes; PACC5 = Preclinical Alzheimer’s Cognitive Composite-5; PET = positron emission tomography; PiB = Pittsburgh compound-B; PVC = partial volume corrected; SD = standard deviation.
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