Table 1.

Characteristics of DLB participants at time of imaging

n= 167
Males (%)	134 (80)
ε4 carriers (%)	79 (49)
Cognitive impairment onset age, years	68 (63, 74)
MRI age, years	72 (67, 76)
Education	14 (12, 16)
DRS	125 (112, 133)
MMSE	24 (21, 27)
CDR sum of boxes	3.0 (2.0, 5.0)
UPDRS	8 (4, 13)
Time to death from cognitive impairment onset, years	7.38 (5.72, 10.20)
Time to death/censor from MRI, years	4.39 (2.13, 6.31)
Time to MRI from cognitive impairment onset, years	3.16 (2.04, 4.60)
Events (%)	120 (72)
Autopsies (%)	54 (32)
MCI (%)	37 (22)
Field strength 1.5T (%)	103 (62)
AChEI treatment	163 (98)

Median (interquartile range) reported for the continuous variables and counts (%) for the categorical variables. AChEI = acetylcholinesterase inhibitor.