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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Health Aff (Millwood). 2015 Sep;34(9):1578–1585. doi: 10.1377/hlthaff.2015.0351

EXHIBIT 1.

Relative Risk (RR) Reduction Of Cardiovascular Disease, By Statin Prescription Length

Prescription length (days)
30
60
90
RR reduction Reported 95% CI RR reduction Sensitivity analysis RR reduction Sensitivity analysis

primary prevention
MI 0.77 (0.74, 0.80) 0.73 (0.72, 0.75) 0.71 (0.70, 0.74)
CVA 0.83 (0.78, 0.88) 0.80 (0.80, 0.81) 0.79 (0.80, 0.81)

secondary prevention
MI 0.76 (0.73, 0.79) 0.72 (0.71, 0.74) 0.70 (0.70, 0.73)
CVA 0.85 (0.81, 0.90) 0.82 (0.82, 0.83) 0.81 (0.80, 0.83)
Death 0.85 (0.77, 0.95) 0.83 (0.83, 0.84) 0.82 (0.81, 0.83)

source Authors' analysis of data from the following sources: Baigent C et al. Efficacy and safety of cholesterol-lowering treatment (Note 30 in text); Mihaylova B et al. The effects of lowering LDL cholesterol with statin therapy in people at low risk of vascular disease (Note 31 in text); and Batal HA et al. Impact of prescription size on statin adherence and cholesterol levels (Note 10 in text). notes Primary prevention is the prevention of onset of symptomatic disease. Secondary prevention is the use of medication after a patient has survived a cardiovascular disease event. CI is confidence interval. MI is myocardial infarction. CVA is cerebrovascular accident (stroke).