Table 1 Demographic characteristics of Parkinson’s disease (PD) and Parkinson’s disease dementia (PDD) groups in the UK Biobank and PPMI datasets
From: Predicting dementia in people with Parkinson’s disease
Dataset | UK Biobank | PPMI | ||
|---|---|---|---|---|
Trait | PD | PD dementia | PD | PD dementia |
Age | 62.7 (5.3) | 64.1 (4.4) | 60.3 (9.9) | 67.1 (7.9) |
Sex | ||||
Male | 2172 (61.3%) | 340 (69.8%) | 310 (60.1%) | 75 (61.5%) |
Female | 1369 (38.7%) | 147 (30.2%) | 205 (39.9%) | 47 (38.5%) |
Education | ||||
Age at completion of full-time education | 16.5 (2.4) | 16.5 (2.4) | – | – |
Years of education | – | – | 15.7 (3.4) | 14.2 (4.1) |
Hoehn & Yahr | ||||
H&Y I | – | – | 141 (27.37%) | 16 (13.11%) |
H&Y II | – | – | 337 (65.43%) | 82 (67.21%) |
H&Y III | – | – | 22 (4.27%) | 17 (13.93%) |
H&Y IV | – | – | 2 (0.38%) | 2 (1.63%) |
H&Y V | – | – | 0 (0%) | 3 (2.45%) |
