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NIA-LOAD Family Based Study: Clinical Data and Diagnoses
| Clinical diagnoses16 | N |
| Probable AD | 2,672 (27.6%) |
| Possible AD | 395 (4.1%) |
| Other dementias* | 160 (1.7%) |
| Dementia by family report only | 227 (2.3%) |
| Unaffected family members | 4,587 (47.4%) |
| Assessments | N |
| Cognitive | 8,610 (89%) |
| NPI-Q | 3,187 (33%) |
| Cardiovascular and other risk factor questionnaire | 6,553 (68%) |
Percentages are based on the total number of family members 9,682 individuals.
Table 3 shows the diagnoses of other dementias.
