Table 3

Pairwise comparisons in the UKB test set and WHII validation sample to survive FDR corrections

Risk score 1AUC for risk score 1Risk score 2AUC for risk score 2PPcorr
UKB
 UKBDRS0.80Age only0.779.54×10-6 9.54×10-6
 UKBDRS0.80ANU-ADRI0.572.62×10-62 1.05×10-61
 UKBDRS0.80CAIDE0.602.23×10-42 4.45×10-42
 UKBDRS0.80DRS0.775.64×10-7 7.53×10-7
WHII
 UKBDRS0.77Age only0.743.20×10-3 5.97×10-3
 UKBDRS0.77ANU-ADRI0.528.16×10-11 3.27×10-10
 UKBDRS0.77CAIDE0.694.48×10-3 5.97×10-3
 UKBDRS0.77DRS0.741.07×10-2 1.07×10-2
  • .The AUC of the UKBDRS was compared with each external risk score and an age-only model. If a comparison is not shown, there was no statistical difference in performance.

  • ANU-ADRI, Australian National University Alzheimer’s Disease Risk Index; AUC, area under the curve; CAIDE, Cardiovascular Risk Factors, Aging and Dementia; DRS, Dementia Risk Score; FDR, false discovery rate; UKB, UK Biobank; UKBDRS, UK Biobank Dementia Risk Score; WHII, Whitehall II.