. 2022 Jan 3;18(10):1889–1897. doi: 10.1002/alz.12514

TABLE 1.

NIA‐LOAD family‐based study: clinical data and diagnoses

Clinical diagnoses ¹⁶	N (%)
Probable AD	2672 (27.6%)
Possible AD	395 (4.1%)
Other dementias ^a	160 (1.7%)
Dementia by family report only	227 (2.3%)
Unaffected family members	4587 (47.4%)
Assessments	N
Cognitive	8610 (89%)
NPI‐Q	3187 (33%)
Cardiovascular and other risk factor questionnaire	6553 (68%)

Note: Percentages are based on the total number of family members 9682 individuals.

^{^a}

Table 3 shows the diagnoses of other dementias.

Abbreviations: AD, Alzheimer's disease; NIA‐LOAD, National Institute on Aging Late‐Onset Alzheimer's Disease; NPI‐Q, Neuropsychiatric Inventory Questionnaire.