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Table 2 Self-reported versus ADRC consensus diagnosisa

From: Attitudes toward clinical trials across the Alzheimer’s disease spectrum

Consensus diagnosis (n) Self-reported diagnosis
CN (n) MCI (n) Dementia (n)
CN 26 5 0
MCIb 13 13 1
Dementia 2 4 16
  1. aLimited to participants with both clinical and self-reported diagnoses available
  2. bSubject with cognitive impairment not due to MCI was excluded from this analysis
  3. Unweighted kappa statistic 0.52, 95% confidence interval (CI) 0.36–0.67
  4. Weighted kappa statistic 0.71, 95% CI 0.58–0.84
  5. ADRC Alzheimer’s Disease Research Center, CN cognitively normal, MCI mild cognitive impairment