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Table 1 Demographics of study samples

From: Dysregulated expression levels of APH1B in peripheral blood are associated with brain atrophy and amyloid-β deposition in Alzheimer’s disease

Cohort Diagnosis N Female (%) Age at blood sample collection, mean (SD) RIN, mean (SD)
ADNI (N = 661) CN 213 107 (50%) 76.4 (6.4) 6.91 (0.51)
MCI 345 144 (42%) 73.2 (7.9) 6.98 (0.55)
AD 103 38 (37%) 77.6 (7.8) 6.98 (0.64)
AddNeuroMed (N = 674) CN 243 147 (60%) 74.2 (6.6) 8.96 (0.73)
MCI 208 120 (58%) 75.5 (6.5) 8.50 (0.59)
AD 223 146 (65%) 76.8 (6.8) 8.43 (0.64)
  1. The table was modified from a previous study [51]
  2. Abbreviations: AD Alzheimer’s disease; CN cognitively normal older adults; MCI mild cognitive impairment; RIN RNA integrity number; SD standard deviation