Table 2.
Type of ADRD and risk genes identified in full-text review articles (N = 66).
| Characteristic | Number | Percentage (%) |
|---|---|---|
| Type of ADRD a | ||
| Lewy Body Dementia | 1 | 1.5 |
| Mild Cognitive Impairment | 2 | 3.0 |
| Cognitive Decline | 2 | 3.0 |
| Vascular Dementia | 4 | 6.1 |
| Early onset AD (EOAD) | 7 | 10.6 |
| Alzheimer's Disease | 13 | 19.7 |
| Type of ADRD not specified | 20 | 30.3 |
| Late Onset AD (LOAD) | 26 | 39.4 |
| ADRD risk genes identified b | ||
| PSEN2 | 1 | 1.5 |
| AKAP9 | 2 | 3.0 |
| GRIN3B | 2 | 3.0 |
| SORL1 | 2 | 3.0 |
| CR1 | 3 | 4.5 |
| APP | 4 | 6.1 |
| PSEN1 | 4 | 6.1 |
| ABCA7 | 6 | 9.1 |
| CLU | 6 | 9.1 |
| PICALM | 7 | 10.6 |
| APOE | 43 | 65.2 |
| Other | 42 | 63.6 |
a
Some articles examined more than one type of ADRD.
b
Some articles included multiple risk genes.