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 | 394 739 | 3359 | 0.85 | 19.8 | 8.0 | 30.3 | 8.6 | Â |
Atorvastatin | 53 869 | 275 | 0.51 | 19.5 | 7.7 | 23.9 | 11.6 | 0.91 (0.80–1.02) |
Lovastatin | 54 052 | 439 | 0.81 | 19.1 | 7.9 | 29.7 | 8.1 | 0.95 (0.86–1.05) |
Simvastatin | 727 128 | 2647 | 0.36 | 19.3 | 7.8 | 29.1 | 8.0 | 0.46 (0.44–0.48) |