Table 2 Descriptive statistics of demographic and clinical variables
Dataset | Diagnosis | N | Sex (M/F) | Age (at MRI scanning) | Time from MRI to the most recent diagnosis (months) | ||
|---|---|---|---|---|---|---|---|
Mean | Standard deviation | Mean | Standard deviation | ||||
ADNI | HC | 211 | 98/113 | 72.4 | 6.6 | 33.6 | 5.5 |
HC stable | 186 | 86/100 | 73.1 | 6.3 | 33.3 | 5.7 | |
MCI transition to HC | 26 | 13/12 | 67.8 | 7.3 | 36.0 | 0.0 | |
MCI | 188 | 113/75 | 73.1 | 7.5 | 31.3 | 7.9 | |
MCI stable | 172 | 102/70 | 72.5 | 7.4 | 31.4 | 7.9 | |
HC transition to MCI | 16 | 11/5 | 78.9 | 5.7 | 31.1 | 8.0 | |
AD | 171 | 97/74 | 74.6 | 7.9 | 26.2 | 9.6 | |
AD stable | 90 | 50/40 | 75.2 | 7.9 | 20.2 | 7.9 | |
MCI transition to AD | 83 | 34/47 | 73.9 | 7.9 | 32.8 | 6.5 | |
OASIS | HC | 439 | 179/260 | 67.4 | 8.1 | 34.6 | 4.2 |
AD | 67 | 34/33 | 75.6 | 7.5 | 30.2 | 7.9 | |