Demographic and imaging data of patients with iNPH and control subjects
| iNPH (n = 20) | Control (n = 20) | P Valuea | |
|---|---|---|---|
| General characteristics | |||
| Sex (male/female) (No.) | 8/12 | 8/12 | 1.000 |
| Age (mean) (yr) | 77.0 ± 5.1 | 73.4 ± 6.3 | .054 |
| Disease characteristics | |||
| Gait disturbance >2 years (No.) | 100% (20) | 0% | |
| Dementia >1 year (No.) | 90% (18) | 0% | |
| Urinary incontinence (No.) | 50% (10) | 0% | |
| Psychometric tests | |||
| MMSE (mean) | 21.8 ± 3.8 | 28.7 ± 1.0 | <.001 |
| Complicating diseases | |||
| Hypertension (No.) | 30% (6) | 40% (8) | .736 |
| Diabetes mellitus (No.) | 15% (3) | 5% (1) | .292 |
| Dyslipidemia (No.) | 25% (5) | 10% (2) | .212 |
| Evans index (mean) | 0.36 ± 0.05 | 0.28 ± 0.03 | <.001 |
| Extent of leukoaraiosis (Fazekas classification) | 2.1 ± 0.9 | 0.8 ± 0.8 | <.001 |
↵a Unpaired Student t test.