From: Simvastatin is associated with a reduced incidence of dementia and Parkinson's disease
 |  | Dementia cases | Time to incidence for dementia cases (months) | Time to end of study for non-dementia cases (months) |  | |||
---|---|---|---|---|---|---|---|---|
Drug | Sample size (n) | n | % | Mean | SD | Mean | SD | Model 3: HR for incidence of dementia vs CV (95% CI) |
CV | 392 966 | 2417 | 0.62 | 19.5 | 8.0 | 30.3 | 8.6 | Â |
Atorvastatin | 53 701 | 224 | 0.42 | 17.9 | 7.7 | 24.0 | 11.5 | 0.99 (0.86–1.14) |
Lovastatin | 53 711 | 350 | 0.65 | 18.8 | 7.9 | 29.7 | 8.1 | 1.09 (0.98–1.22) |
Simvastatin | 725 820 | 2116 | 0.29 | 19.3 | 7.9 | 29.1 | 8.0 | 0.51 (0.49–0.55) |