SAA positivity rate amongst dual LRRK2-GBA1, GBA1 and LRRK2 carriers with Parkinson's disease

The shared code was created to perform analysis for the published article "". This code was created to analyze data accessed from the PPMI database (RRID:SCR 006431) on February 03, 2025. As the PPMI database is always evolving, it is possible that the code may not work if the database has changed since the date the code was created.

Analytic datasets are not included in the submission.  Researchers can request access to PPMI data at the PPMI Study website (https://www.ppmi-info.org/access-data-specimens/download-data).