Table 1. Demographic and clinical characteristics of the subjects.
| iNPH (n=10) | AD (n=10) | CN (n=8) | p1 | p2 | p3 | |
|---|---|---|---|---|---|---|
| Age (years) | 72.8±4.5 | 56.7±5.6 | 61.2±6.5 | <0.001 | 0.003 | 0.294 |
| Sex (male/female) | 7/3 | 4/6 | 2/6 | 0.370 | 0.153 | 0.638 |
| Education (years) | 10.6±3.4 | 10.4±4.9 | 13.0±2.4 | 0.990 | 0.185 | 0.286 |
| K-MMSE score | 20.2±2.9 | 12.4±4.2 | 28±2 | <0.001 | <0.001 | <0.001 |
| CDR | 0.85±0.47 | 1.15±0.62 | 0.37±0.23 | 0.465 | 0.038 | 0.009 |
| CDR-SB | 4.15±3.38 | 6.80±3.35 | 0.94±0.32 | 0.211 | 0.036 | 0.001 |
| Evans' index | 0.37±0.04 | 0.26±0.03 | - | <0.001 | - | - |
| Cortical SUVR | 1.37±0.16 | 1.97±0.25 | - | <0.001 | - | - |
Data are mean±standard-deviation values.
AD: Alzheimer's disease, CDR: Clinical Dementia Rating, CDR-SB: CDR Sum of Boxes, CN: cognitively normal, iNPH: idiopathic normal-pressure hydrocephalus, K-MMSE: Korean version of the Mini Mental State Examination, p1: iNPH vs. AD, p2: iNPH vs. CN, p3: AD vs. CN, SUVR: standardized uptake value ratio.