About the dataset

Primary description: Alzheimers and dementia cohort

The Korean Brain Aging Study for the Early Diagnosis and Prediction of Alzheimer’s Disease (KBASE) is a longitudinal study that includes 591 participants over the lifespan (20-90 years) including 291 older controls, 74 young/middle aged controls, 139 with mild cognitive impairment, and 87 with Alzheimer’s disease. Collection included clinical and neuropsychological testing, T1w MRI and amyloid PET imaging, as well as blood and genetic markers.
Study Korean Brain Aging Study for the Early Diagnosis & Prediction of Alzheimer’s Disease
Study Website KBASE
Data Descriptor Paper https://doi.org/10.4306/pi.2017.14.6.851
DUA Please contact Dr. Christos Davatzikos to obtain the DUA for the derived data and request an introduction to the study PI to obtain the DUA for the raw data.
Country/Region South Korea
Disease Tag alzheimers
Age (mean ± SD)
(Baseline)
67.0 ± 13.4
Age Range
(Baseline)
20-90
% Female 42
CUBIC Project /cbica/projects/Public_Studies
PI for CUBIC Access Approval Christos Davatzikos
N Subjects 650
N MR Sessions 1198
Diagnoses
AD
Value V01 V02 V03
CN 359 234 111
MCI 150 77 38
AD 93 73 26
nan 20 17
DLMUSE (v1.0.7)
(1198/1198 complete)
/cbica/projects/Public_Studies/KBASE/Pipelines/KBASE_DLMUSE_2025/Results/DLMUSE/DLMUSE_Volumes.csv
RAVENS (DRAMMS-1.4.1)
(1198/1198 complete)
/cbica/projects/Public_Studies/KBASE/Pipelines/KBASE_3.5D_DLICV_MASK_2024/Protocols/RAVENS
Non-Imaging Data
/cbica/projects/ISTAGING/Pipelines/ClinicalDataConsolidation_201911/Data/External_Data/KBASE

Raw data downloaded from source.

/cbica/projects/ISTAGING/Pipelines/ClinicalDataConsolidation_201911/dictionaries/KBASE

Data dictionary of raw data downloaded from source.

/cbica/home/harmang/for_others/final_combined_istaging_withMUSE.csv

Data consolidated and harmonized in 2026.

This study: subset with df[df.Study == 'KBASE']


Funding
KBASE is supported by grant U01 AG072177.