How do I interpret the Hoehn & Yahr Staging?

Stage 1 = unilateral. Stage 3 = bilateral + postural instability. Stage 5 = wheelchair/bed-bound. Guides therapy escalation (DBS eligibility at stage 3+).

What is the evidence behind the Hoehn & Yahr Staging?

The Hoehn & Yahr Staging is based on the following published research: Hoehn MM, Yahr MD. Neurology 1967;17:427-442.

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References

Hoehn MM, Yahr MD. Neurology 1967;17:427-442

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