Table 5.
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 |
Multiply scoring weight by number of years beyond age 65.
Multiply scoring weight by number of years beyond 1900.
See manuscript text for actual sensitivity/specificity for each threshold