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Hoehn and Yahr
Classifications of Disability for PD
| Question | Answer |
|---|---|
| Stage I | Minimal or absent; unilateral if present |
| Stage II | Minimal bilateral or midline involvement, balance not impaired. |
| Stage III | Impaired righting reflexes, Unsteadiness when turning or rising from chair. Some activities are restricted, but patient can live independently and continue some forms of employment. |
| Stage IV | All symptoms present severe. Standing and walking are only possible with assistance. |
| Stage V | Confined to bed or wheelchair. |