Table 3.
Patients with high cognitive predictive scores have an increased hazard ratio for dementia compared to those with scores in the lowest quartile.
| Quartile
|
||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
|
| ||||
| 0 to <0.0954 | 0.0954 to <0.1958 | 0.1958 to <0.3789 | 0.3789 to ≤1 | |
| Validation population | ||||
| Parkinson’s disease (N) | 372 | 317 | 279 | 154 |
| Cognitive predictive scores (range) | 0.0089–0.0951 | 0.0955–0.1951 | 0.1959–0.3376 | 0.3809–0.9729 |
| HR (95% CI)# | 1 | 3.1 (0.8–11.9) | 8.8 (2.6–30.0) | 21.9 (6.5–73.1) |
| p value | 0.091 | 0.0005 | <0.0001 | |
#
Hazard ratio (HR) and confidence intervals (CI) were calculated using Cox regression models.