Absolute reduction in myocardial infarctions by aspirin treatment of 100 persons for five years, and NNT, assuming relative risk reduction of 30%; and benefit net of bleeding complications of different severity
4-150 Absolute risk of bleeding complications in 100 persons per five years, assumed constant and independent of CHD event risk.
4-151 Number treated for five years to harm one person (NNTH).
MI prev, myocardial infarcts prevented; NNT, number needed to treat for five years.