Table 4

 Arguments for and against aspirin use in secondary prevention of CHD over age 65–70 years

1. 4.5% absolute risk reduction in vascular events71. 3% absolute risk of increase in gastric bleeding10
2. Possible reduction in incidence of dementia2. 40% relative risk increase in haemorrhagic stroke
3. Possible reduction in gastrointestinal cancer83. Development of anaemia10