Table 1.
Demographic and Clinical Characteristics of all Subjects (Mean ± Standard Deviation)
|
HC subjects (n = 75) |
All PD patients (n = 125) |
PD‐CogInt (n = 91) |
PD‐MCI (n = 34) |
|
|---|---|---|---|---|
| Age (yr.) | 60.3 ± 9.3 | 62.3 ± 6.9 | 61.4 ± 6.9 | 64.7 ± 6.5 |
| Education level (ISCED) | 4.5 ± 1.0 | 4.2 ± 1.1 | 4.3 ± 1.1 | 4.0 ± 1.2 |
| Male (%) | 45.3 | 62.4 | 60.4 | 67.6 |
| UPDRS ‘on’ state | ‐ | 19.9 ± 9.0 | 18.6 ± 8.7 | 23.6 ± 9.0 |
| (n = 106) | (n = 78) | (n = 28) | ||
| Subjective complaints patient (%) | ‐ | 38.4 | 18.7 | 91.2 |
| Subjective complaints friends/family (%) | ‐ | 33.3 | 17.5 | 76.2 |
| (n = 78) | (n = 57) | (n = 21) | ||
| PD‐CRS total score | 107.6 ± 12.3 | 97.4 ± 15.4 | 101.5 ± 14.2 | 86.2 ± 12.9 |
| PD‐CRS demographically corrected z‐score | 0 ± 1 | −0.5 ± 1.3 | −0.2 ± 1.2 | −1.3 ± 1.1 |
| MDRS‐2 total score | 141.2 ± 2.6 | 139.4 ± 4.6 | 140.7 ± 3.2 | 135.8 ± 5.8 |
| MDRS‐2 demographically corrected z‐score | 0 ± 1 | −0.4 ± 1.9 | 0.1 ± 1.4 | −1.8 ± 2.5 |
Abbreviations: HC subjects, healthy control subjects; MDRS‐2, Mattis Dementia Rating Scale‐2; PD, Parkinson's disease; PD‐CogInt, cognitively intact PD patients; PD‐CRS, Parkinson's Disease‐Cognitive Rating Scale; PD‐MCI, mild cognitive impaired PD patients; UPDRS, Unified Parkinson's Disease Rating Scale.