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. 2019 Mar 12;68(1):357–365. doi: 10.3233/JAD-180977

Table 1.

Descriptive Statistics

Variable Overall (n = 2038)
Covariates
Age in years at examination 7 MRI, mean±SD 62.0±9.4
Male, n (%) 958 (47.0%)
APOE4 presence, n (%) 469 (23.0%)
Number of MSRB3 risk alleles
0 alleles, n (%) 1407 (69.0%)
1 allele, n (%) 587 (28.8%)
2 alleles, n (%) 44 (2.2%)
Outcomes
Total brain volume %, mean±SD 79.3±3.5
Hippocampal volume %, mean±SD 0.5±0.05
White matter hyperintensities %, median [Q1, Q3] 0.05 [0.03, 0.1]
Presence of brain infarcts, n (%) 232 (11.4%)
Incident dementia, n (%) 116 (11.2%)
Incident Alzheimer’s disease, n (%) 91 (8.8%)
Incident stroke, n (%) 96 (4.9%)