Table 9. Identified data characteristics in the included studies.
Variable Category | Variable Subcategory | Number of Studies | Featuring Studies |
---|---|---|---|
Neuroimaging: 28 ML studies | MRI | 27 | [24–26, 28, 31–37, 39–46, 48–53, 61, 62] |
PET | 8 | [27, 28, 33, 35, 45, 50–52] | |
Cognitive Measures: 5 ML studies, 1 MS study | MMSE | 2 | [34, 65] |
ADAS-cog | 2 | [38, 56] | |
Other (CDR, FAQ, Buschke Cued Recall) | 3 | [32, 57, 65] | |
Genetic: 5 ML studies | ApoE | 5 | [33, 38, 41, 44, 45] |
Family History | 1 | [41] | |
Lab Test: 10 ML studies | CSF | 8 | [28, 30, 32, 33, 35, 45, 45, 51] |
Other Lab tests | 4 | [38, 44, 45, 47] | |
Demographic: 5 ML studies, 2 MS studies | Age | 4 | [30, 40, 53, 65] |
Other demographic | 3 | [38, 71, 72] |
Abbreviations: MRI: Magnetic Resonance Imaging; PET: Positron Emission Tomography; MMSE: Mini Mental State Examination; ADAS-cog: Alzheimer's Disease Assessment Scale-cognitive subscale; CDR: Clinical Dementia Rating; FAQ: Functional Activities Questionnaire; CSF: Cerebrospinal Fluid