Datasets and Documentation | The Multi-Ethnic Study of Atherosclerosis

Events Datasets

Data Documentation

Review of documentation prior to initiating analyses is strongly recommended. Please refer to the MESA Data Analysis Recommendations located here.

Documentation File	Posted
MESA Events - Updates Completed File Events_Data_Updates_completed.docx	August 29, 2025
MESA Policy: Use of CMS Data File MESA Policy: Use of CMS Data
Events thru Calendar Year 2020 File Events thru Calendar Year 2020 DD	November 20, 2024
Events thru Calendar Year 2020 Ejection Fraction File Events thru Calendar Year 2020 EF DD	November 20, 2024
Events thru Calendar Year 2020, All Cohort File Events thru Calendar Year 2020, All Cohort DD	November 20, 2024
Events thru Calendar Year 2021 File Events thru Calendar Year 2021 DD	August 29, 2025
MESA Dementia Events thru Calendar Year 2020 File Dementia Events thru Calendar Year 2020 DD	May 23, 2025
MESA Time to Diabetes Diagnosis File MESA Time to Diabetes Diagnosis DD	August 1, 2022
MESA w/ CMS Atrial Fibrillation Events thru Calendar Year 2018 File MESA_AFThru2018_20210614.doc	September 14, 2023
Non-CVD Events thru Calendar Year 2020 File Non-CVD Events thru Calendar Year 2020 DD	November 20, 2024
Operation on Vessels of Heart Documentation File MESAEvents_OpHrtVssl_20130416.doc	April 17, 2013
VTE Events thru Calendar Year 2017 File MESAEvVTEThru2017_20191106.doc	November 11, 2019

Combined SPSS, SAS and STATA files (.zip)
Dataset	Posted
Events thru Calendar Year 2021 (Preliminary, available upon request)	August 29, 2025
Events thru Calendar Year 2020	November 20, 2024
Events thru Calendar Year 2020, Cancer	June 18, 2025
Events thru Calendar Year 2020, Dementia	May 23, 2025
Events thru Calendar Year 2020, Diabetes	August 1, 2022
Events thru Calendar Year 2020, Ejection Fraction	November 20, 2024
Events thru Calendar Year 2020, Non-CVD	November 20, 2024
Events thru Calendar Year 2020, Subsequent Events	November 20, 2024
Follow-Up General Health 1 thru 21	November 12, 2024
Operation on Vessels of Heart	April 17, 2013
VTE Events thru Calendar Year 2018	May 28, 2021

MESA Events Ancillary Study Data

All Cohort Events Datasets

Combined SPSS, SAS and STATA files (.zip)
Dataset	Posted
All Cohort (Classic, Air, Family) Events thru Calendar Year 2020	November 20, 2024

CMS Enhanced Atrial Fibrillation Events Datasets

Combined SPSS, SAS and STATA files (.zip)
Dataset	Posted
MESA w/ CMS Atrial Fibrillation Events thru Calendar Year 2020	July 22, 2025

ICD Diagnosis, Procedure and Death Codes for Events Datasets

Combined SPSS, SAS and STATA files (.zip)
Dataset	Posted
ICD Diagnosis, Procedure and Death Codes for Events thru Calendar Year 2020	February 6, 2025

Notes

Although these data have been extensively checked and cleaned, data errors may still be encountered as the variables are included in analyses. If you find errors in the data or in the data documentation files, please document the nature and type of error found and contact David Vu.