Statins v placebo or usual care for stroke reduction*

Weighted event rates
Outcomes at 0.3–6.1 yearsNumber of trials (n)InterventionControlRRR (95% CI)NNT (CI)
*Abbreviations defined in glossary; weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model.
All stroke26 (94 128)2.9%3.4%20% (14 to 25)222 (163 to 350)
Fatal stroke15 (71 967)0.68%0.69%8% (−10 to 23)Not significant
Haemorrhagic stroke7 (43 758)0.29%0.34%9% (−26 to 34)Not significant