Table 5.
Risk of Dementia and Vascular Dementia associated With Motoric Cognitive Risk (MCR) Syndrome and Mild Cognitive Impairment (MCI) Subtypes
| MCI subtypes | Dementia HR (95% CI), p value | Vascular dementia HR (95% CI), p value |
|---|---|---|
| Model A: Hierarchical diagnosis | ||
| Pure amnestic MCI | 11.74 (6.64–20.75), <.001 | 10.60 (3.51–31.98), <.001 |
| Pure nonamnestic MCI | 2.84 (1.43–5.67), .003 | 4.85 (1.48–15.92), .009 |
| Pure MCR | 2.91 (0.69–12.28), .146 | 11.47 (2.33–56.34), .003 |
| Model B: Joint modeling | ||
| Any amnestic MCI | 10.53 (5.97–18.57), <.001 | 6.13 (2.11–17.79), <.001 |
| Any nonamnestic MCI | 2.47 (1.23–4.94), .011 | 2.40 (0.75–7.61), .138 |
| Any MCR | 2.04 (0.95–4.41), .069 | 8.88 (3.26–24.20),<.001 |
Note: Hazard ratios (HR) with 95% confidence interval (CI) derived from Cox models adjusted for age, sex, and education. MCI subtypes are mutually exclusive in Model A and examined jointly in Model B (see Methods).