| Favorable indicators* |
| Early appearance of gait disorder |
| Gait disorder most prominent symptom |
| Shorter duration of symptoms (<6 months) |
| Identified etiology of NPH |
| Clinical response to CSF removal (tap test, lumbar drain) |
| Unfavorable indicators* |
| Early appearance of dementia |
| Moderate to severe dementia |
| Dementia present for more than two years |
| Gait disorder absent or appearing after dementia |
| Alcoholism |
| MRI findings: |
|
|
|
