| Name | Steward Organization | Suggested Domain | Suggested Domain Description | Cde Group | Classification |
|---|---|---|---|---|---|
| 15. Modified Hoehn and Yahr staging | NACC | Disease characterization |
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs) |
Other NIA-funded studies |
|
| # | Datatype |
|---|---|
|
|
Value List |
| # | Permissible value | Value meaning name |
|---|---|---|
|
|
0 | Stage 0 - No signs of disease |
|
|
1 | Stage 1 = Unilateral disease |
|
|
2 | Stage 1.5 - Unilateral plus axial involvement |
|
|
3 | Stage 2 - Bilateral disease, without impairment of balance |
|
|
4 | Stage 2.5 - Mild bilateral disease, with recovery on pull test |
|
|
5 | Stage 3 - Mild to moderate bilateral disease; some postural instability; physically independent |
|
|
6 | Stage 4 - Severe disability; still able to walk or stand unassisted |
|
|
7 | Stage 5 - Wheelchair-bound or bedridden unless aided |
|
|
8 | Untestable |
| # | Identifier | Origin | Version |
|---|---|---|---|
|
|
LBD_b3l_Initial Visit Packet_lbumhnyr | NACC-source_dataset+form_name+packet+var_name | NACC_lbd-v3.1-ivp-ded-02252025 |