Table 4

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.