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Medicine (Baltimore). 2018 Jul;97(30):e11304. doi: 10.1097/MD.0000000000011304.

Statins use and risk of dementia: A dose-response meta analysis.

Author information

1
Department of General Rehabilitation, Capital Medical University School of Rehabilitation Medicine, China Rehabilitation Research Center, Beijing Boai Hospital, Beijing.
2
Department of Anesthesiology, Second Affiliated Hospital of Shanxi Medical University, Taiyuan, Shanxi.
3
Department of Community Chronic Disease Research Center, Institute of Chinese Basic Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China.

Abstract

Previous studies have indicated that statins use is associated with risk of dementia, but presented controversial results. Medline, Embase, Web of Science, and the Cochrane Database were searched update to November 2017 to identify the potential relationship between statins use and dementia. Thirty-one eligible studies involving a total of 3332,706 participants with 184,666 incident cases were included in this meta-analysis. Statins use was associated with dementia risk decrement (relevant risk [RR]: 0.85; 95% confidence interval [CI], 0.80-0.89). Subgroup analysis showed statins use was associated with Alzheimer disease (AD) (RR: 0.81; 95% CI, 0.73-0.89) and non-AD dementia (RR: 0.81; 95% CI, 0.73-0.89) risk decrement. Furthermore, statins use was associated with dementia risk decrement in female (RR: 0.89; 95% CI, 0.80-0.98) and male (RR: 0.88; 95% CI, 0.83-0.93). In addition, a dose-response showed per 1 year of duration of statins use incremental increase was associated with 20% dementia risk decrement (RR: 0.80; 95% CI, 0.73-0.87), and per 5-mg mean daily dose incremental increase in statins use was associated with 11% dementia risk decrement (RR: 0.89; 95% CI, 0.83-0.96). Statins use was associated with dementia risk decrement. The potency and the cumulative duration of statin utilized played critical roles.

PMID:
30045255
PMCID:
PMC6078755
DOI:
10.1097/MD.0000000000011304
[Indexed for MEDLINE]
Free PMC Article

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