Skip to main content
. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: J Alzheimers Dis. 2009 Jul;17(4):875–885. doi: 10.3233/JAD-2009-1105

Table 5.

Application of the risk scoring system to a hypothetical subject. Scoring weights are based on estimated coefficients from ‘final’ models, obtained using the saturated selection model, multiplied by 10 and rounded.

Hypothetical
subject
NP measures only NP measures and
demographics
Scoring
weight
Subject score
and predicted
status
Scoring
weight
Subject score
and predicted
status
BRAAK stage
     V/VI 35 0 36 0
Cerebral microinfarcts
     ≥ 3 Yes 23 23 21 21
Neocordical Lewy bodies
     ≥ 1 24 0 26 0
Cystic infarcts
     ≥ 1 Yes 11 11 15 15
Age (at death), years a 70 3 15
Birth year b 1934 2 68
Total score 34 119
Scoring thresholds c
     Minimum sensitivity
          70% 23 Dementia 125 No dementia
          80% 11 Dementia 117 Dementia
          90% 0 Dementia 107 Dementia
     Minimum specificity
          70% 23 Dementia 113 Dementia
          80% 23 Dementia 117 Dementia
          90% 34 Dementia 129 No dementia
a

Multiply scoring weight by number of years beyond age 65.

b

Multiply scoring weight by number of years beyond 1900.

c

See manuscript text for actual sensitivity/specificity for each threshold