Table 4. Validation of PD Likelihood scores by General Practitioner for EPIC-NL, AMIGO and Combined cohort.
| EPIC-NL | ||||||
| PD Likelihood | Participants selected for validation | Returned GP questionnaire (% of participants selected) | Information available diagnosis (% of participants selected) | PD diagnosis confirmed by GP (%) | No PD diagnosis by GP (%) | Other Parkinsonism/ tremor by other cause (%) |
| 1 | 99 | 96 (97%) | 72 (73%) | 0 (0%) | 72 (100%) | 2 (3%) |
| 2 | 141 | 135 (96%) | 110 (78%) | 5 (5%) | 105 (95%) | 6 (5%) |
| 3 | 160 | 152 (95%) | 93 (58%) | 62 (67%) | 31(33%) | 8 (9%) |
| AMIGO | ||||||
| PD Likelihood | Participants selected for validation | Returned GP questionnaire (% of participants selected) | Information available on PD diagnosis (% of participants selected) | PD diagnosis confirmed by GP (%) | No PD diagnosis by GP(%) | Other Parkinsonism/ tremor by other cause (%) |
| 2 | 100 | 92 (92%) | 81 (81%) | 0 (0%) | 81 (100%) | 8 (10%) |
| 3 | 168 | 153 (91%) | 145 (86%) | 18 (12%) | 127 (88%) | 15 (10%) |
| Combined | ||||||
| PD Likelihood | Participants selected for validation | Returned GP questionnaire (% of participants selected) | Information available on PD diagnosis (% of participants selected) | PD diagnosis confirmed by GP (%) | No PD diagnosis by GP (%) | Other Parkinsonism/ tremor by other cause (%) |
| 1 | 99 | 96 (97%) | 72 (73%) | 0 (0%) | 72 (100%) | 2 (3%) |
| 2 | 241 | 227 (94%) | 191 (79%) | 5 (3%) | 186 (97%) | 14 (7%) |
| 3 | 328 | 305 (93%) | 238 (73%) | 80 (34%) | 158 (66%) | 23 (10%) |
PD, Parkinson’s Disease; GP, general practitioner