Table 1 Estimated impact of daily aspirin on cancer, heart disease and gastrointestinal bleeding (Cuzick et al. [51]).

From: The importance of long-term follow up of participants in clinical trials

Event

Incidence

Mortality

Relative risk

Relative risk

Colorectal cancer

0.65

0.60

Oesophageal cancer

0.70

0.50

Gastric cancer

0.70

0.65

Lung cancer

0.95

0.85

Prostate cancer

0.90

0.85

Breast cancer

0.90

0.95

Myocardial infarction

0.82

0.95

Stroke

0.95

1.21

Major bleeding

1.54

-

GI bleeding

-

1.60

Peptic ulcer

-

1.60

  1. Negative effects are shown with a relative risk greater than unity.