Pure AD (N = 248) | Pure LBD (N = 22) | Mixed AD/LBD (N = 185) | Group differences | ||
---|---|---|---|---|---|
Age at death | 82.0 (10.1) | 80.1 (11.4) | 79.7 (9.3) | BF10 = 0.62a | |
Last visit - death (years) | 1.8 (1.8) | 1.4 (1.3) | 1.9 (2.2) | BF10 = 0.09a | |
Last MRI - death (years) | 5.1 (3.1) | 5.1 (3.0) | 5.2 (3.0) | BF10 = 0.04a | |
Male: female, N (%) | 131:117 (53%:47%) | 19:3 (86%:14%) | 117:68 (63%:37%) | BF10 = 5.8b | |
Years of education | 15.5 (3.0) | 15.7 (3.7) | 15.4 (3.2) | BF10 = 0.05a | |
APOE ε4 allele, N (%) | 143 (61%) | 6 (30%) | 108 (60%) | BF10 = 0.43c | |
Cognitive status, N (%) | BF10 = 0.25d | ||||
normal cognition | 7 (2.8%) | 1 (5%) | 2 (1%) | ||
impaired-not-MCI | 2 (0.8%) | 0 | 0 | ||
MCI | 22 (8.9%) | 2 (9%) | 6 (3%) | ||
dementia | 217 (88%) | 19 (86%) | 177 (96%) | ||
Primary etiological diagnosis based on clinical informatione | |||||
AD | 209 (87%) | 7 (33%) | 151 (83%) | ||
LBD | 12 (5%) | 13 (62%) | 22 (12%) | ||
Vascular impairment | 8 (3%) | 0 | 3 (2%) | ||
FTLD | 4 (2%) | 0 | 3 (2%) | ||
other | 6 (3%) | 1 (5%) | 2 (1%) | ||
CDR global | 1.84 (0.96) | 1.59 (0.93) | 1.95 (0.92) | BF10 = 0.19a | |
Geriatric depression scale | 2.2 (2.3) | 3.2 (2.0) | 2.6 (2.7) | BF10 = 0.26a | |
Neuropath findings, N (%) | |||||
Braak stage III/IV | 41 (17%) | - | 36 (19%) | ||
Braak stage V/VI | 207 (83%) | - | 149 (81%) | ||
Moderate NP | 86 (35%) | - | 58 (31%) | ||
Frequent NP | 162 (65%) | - | 127 (69%) | ||
Brainstem-predominant LB | - | 6 (27%) | 19 (10%) | ||
Limbic or amygdala-predominant LB | - | 8 (36%) | 93 (50%) | ||
Neocortical LB | - | 8 (36%) | 73 (40%) | ||
Presence of vascular pathology | 244 (98%) | 22 (100%) | 183 (99%) | BF10 = 0.26f | |
TDP-43 sum score | 0.84 (1.36) | 0.89 (1.27) | 0.95 (1.26) | BF10 = 0.10g |