Table 1 Study population
From: Augmenting radiological assessment of imaging evident dementias with radiomic analysis
Training cohort (n = 971) | Testing cohort (n = 70) | p value | |
---|---|---|---|
Mean age in years (SD) | 73.10 (10.77) | 70.03 (11.85) | p = 0.343 |
Sex (n) | |||
Female | 488 (50.26%) | 35 (50.00%) | p = 1.0 |
Male | 483 (49.74%) | 35 (50.00%) | |
Mean years of education (SD) | 14.99 (6.47) | 14.69 (4.31) | p = 0.369 |
Race (n) | p = 0.661 | ||
White | 838 (86.30%) | 64 (91.43%) | |
Asian | 20 (2.06%) | 1 (1.43%) | |
Black/African American | 87 (8.96%) | 3 (4.29%) | |
American Indian/Alaska Native | 6 (0.62%) | 0 (0%) | |
Other | 16 (1.65%) | 2 (2.86%) | |
Unknown | 4 (0.41%) | 0 (0%) | |
Mean MMSE (SD) | 14.68 (16.14) | 24.30 (13.97) | p = 0.1 |
MRIs (n) | |||
T1 | 899 | 67 | |
T2/FLAIR | 601 | 55 | |
Cases with neurodegenerative disorder (n) | |||
Alzheimer’s disease | 820 | 41 | |
Other imaging-evident dementias | 149 | 28 | |
Vascular dementia (VD) | 68 | 11 | |
Frontotemporal lobar degeneration (FTLD) | 76 | 7 | |
Prion disease (PRD) | 5 | 11 |