Table 1.
Characteristics of the participants
| Variables | Mean (SD) / n (%) | Min. – Max | Median (Pct25-75) |
Missing N (%) |
|---|---|---|---|---|
| Age (years) | 67.1 (10.9) | 22.0 – 92.9 | 68.2 (60.2 – 74.6) | 1 (0.1%) |
| Female sex | 270 (33.7%) | 0 (0.0%) | ||
| Years of education | 13.0 (4.1) | 1.0 – 30.0 | 13.0 (10.0 – 16.0) | 9 (1.1%) |
| Actual diagnosis | 0 (0.0%) | |||
| Parkinson’s disease | 707 (88.2%) | |||
| Parkinson’s disease dementia | 95 (11.8%) | |||
| Age at diagnosis (years) | 62.4 (11.7) | 18.0 – 91.0 | 63.0 (54.0 – 71.0) | 8 (1.0%) |
| Years since diagnosis | 5.0 (5.1) | 0.0 – 32.3 | 3.2 (1.1 – 7.4) | 54 (6.7%) |
| Apathy score (0 – 42)a | 12.0 (5.9) | 1 – 36 | 13.0 (10.0 – 17.0) | 54 (6.7%) |
| MDS-UPDRS I (0 – 52)a | 10.4 (6.9) | 0.0 – 39.0 | 9.0 (5.0—14.0) | 33 (4.1%) |
| MDS-UPDRS II (0 – 52)a | 11.0 (8.4) | 0.0 – 48.0 | 9.0 (5.0—15.0) | 24 (3.0%) |
| MDS-UPDRS III (0 – 132)a | 34.1 (16.7) | 0.0 – 100.0 | 32.0 (22.0—44.0) | 21 (2.6%) |
| MDS-UPDRS IV (0 – 24)a | 1.6 (3.2) | 0.0 – 16.0 | 0.0 (0.0—1.0) | 17 (2.2%) |
aGreater = Worse
MDS-UPDRS: Movement Disorders Society – Unified Parkinson’s Disease Rating Scale [11], MDS-UPDRS I: non-motor symptoms, MDS-UPDRS II: patient-reported motor symptoms, MDS-UPDRS III: clinician assessed motor symptoms, MDS-UPDRS IV: motor complications