Mean and standard deviation of each variable in each group
| Group | VV (ml) | ICV (ml) | VV/ICV (%) |
|---|---|---|---|
| BA, brain atrophy; HV, healthy volunteer; ICV, intracranial CSF volume; INPH, idiopathic normal pressure hydrocephalus; SNPH, secondary normal pressure hydrocephalus; VV, ventricular volume. | |||
| INPH | 109.3 (50.7) | 281.2 (73.1) | 38.0 (9.5) |
| SNPH | 71.3 (18.2) | 196.9 (46.5) | 37.3 (8.9) |
| BA | 64.9 (25.3) | 284.4 (54.5) | 22.8 (7.7) |
| HV | 30.8 (13.2) | 194.7 (51.6) | 15.6 (5.0) |