Dietary or supplemental n-3 polyunsaturated fatty acids (n-3) v control diet or placebo (control) in coronary artery disease*

Outcomes at mean 20 monthsNumber of trialsWeighted event ratesRRR (95% CI)NNT (CI)
N-3Control
*MI = myocardial infarction. Other abbreviations defined in glossary; RRR, NNT, and CI calculated from meta-analysed data in article.
†A random effects model was used because heterogeneity existed.
Non-fatal MI†93.6%4.3%20% (–22 to 47)Not significant
Fatal MI84.5%5.5%27% (16 to 36)96 (63 to 197)
Sudden death52.1%2.8%31% (14 to 45)133 (82 to 345)
Overall mortality98.1%9.5%19% (10 to 27)73 (49 to 147)