Research Article
Improved Diagnostic Multimodal Biomarkers for Alzheimer’s Disease and Mild Cognitive Impairment
Table 1
Demographics of the study group.
| | Analysis | Cohort | Class | Subjects (female proportion) | Mean age (SD) | Mean years of schooling (SD) |
| | HC-AD | Feature selection set | HC | 48 (37.5%) | 74.2 (5.2) | 15.6 (3.2) | | AD | 48 (37.5%) | 74.6 (7.6) | 14.6 (3.7) | | Calibration set | HC | 75 (34.7%) | 74.4 (4.9) | 16 (3.1) | | AD | 70 (38.6%) | 74.9 (7.1) | 14.5 (3.4) | | Test set | HC | 25 (48%) | 75.8 (4.1) | 15.5 (3.3) | | AD | 23 (47.8%) | 74.5 (8) | 15.1 (2.9) |
| | HC-MCI | Feature selection set | HC | 44 (40.9%) | 73.9 (5.2) | 15.6 (3.2) | | MCI | 86 (31.4%) | 74.5 (7) | 15.8 (3) | | Calibration set | HC | 74 (50%) | 74.6 (5.3) | 15.5 (3) | | MCI | 124 (32.3%) | 74.3 (6.9) | 15.6 (3) | | Test set | HC | 24 (62.5%) | 73.8 (4) | 16.1 (2.3) | | MCI | 41 (39%) | 72.9 (7.9) | 15.9 (3.3) |
| | MCI-AD | Feature selection set | MCI | 89 (30.3%) | 74.2 (7.2) | 16 (3) | | AD | 43 (37.2%) | 74.5 (7.6) | 14.6 (3.8) | | Calibration set | MCI | 257 (33.5%) | 74.1 (7.1) | 15.7 (3.1) | | AD | 71 (46.5%) | 74.4 (7.1) | 14.7 (3.4) | | Test set | MCI | 86 (37.2%) | 72.9 (7.4) | 15.9 (3) | | AD | 24 (37.5%) | 72.8 (10) | 16 (2.7) |
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SD stands for standard deviation.
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