Extended Data Fig. 1: Flowchart of recruitment, follow-up and total cumulative assessments. | Nature Medicine

Extended Data Fig. 1: Flowchart of recruitment, follow-up and total cumulative assessments.

From: Somatic CAG repeat expansion in blood associates with biomarkers of neurodegeneration in Huntington’s disease decades before clinical motor diagnosis

Extended Data Fig. 1

Flowchart detailing participant enrollment at baseline (2017–2019) and the retention and recruitment of new participants at follow-up (2022–2024) in the Huntington’s Disease Young Adult Study (HD-YAS). CSF, cerebrospinal fluid; DBS, disease burden score; FHx, family history; HDGE, HD gene expanded; IVF, in vitro fertilization; LP, lumbar puncture; TMS, Total Motor Score; UHDRS, Unified Huntington’s Disease Rating Scale.

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