Skip to main content

Table 1 Demographic information of the study datasets

From: Distinct sex-specific DNA methylation differences in Alzheimer’s disease

Dataset female samples male samples
sample subjects1 age sample  subjects1 age2
(N) (N) mean (SD) (N) (N) mean (SD)
sex-specific meta-analysis       
ADNI       
cases 111 69 77.81 (6.57) 180 119 79.08 (6.53)
controls 253 110 76.93 (6.77) 249 100 79.12 (6.21)
Total 364 179 77.27 (6.69) 429 219 79.1 (6.37)
AIBL       
cases 77 77 77.1 (6.06) 59 59 76.1 (5.53)
controls 191 191 71.9 (5.07) 164 164 72.2 (4.91)
Total 268 268 73.4 (5.87) 223 223 73.3 (5.36)
validation of methylation risk scores       
AddNeuroMed       
cases 53 53 76.38 (5.98) 30 30 77.5 (5.3)
controls 54 54 73.26 (5.44) 34 34 74.53 (5.21)
Total 107 107 74.8 (5.9) 64 64 75.92 (5.42)
  1. 1 for the longitudinal ADNI dataset, sample size at last visit
  2. 2 for the longitudinal ADNI dataset, age was computed from samples at last visit