Risk of Non-fatal and Fatal cardiovascular events associated to non steroidal anti-inflammatory drugs in observational studies.

*Number of days since last use, except in the study by Chan et al in which the current exposure was defined as more than 22 days of use in the last month.†At baseline (Women only).‡Followed up after CHD hospitalization.§Cohort of aspirin users.C-C: Case-Control; CHD: Coronary Heart Disease; CI: Confidence Interval; GPRD: General Practitioner Research Database; MI:Myocardial Infarction; NA:Not Available; NSAIDs: non steroidal anti-inflammatory drugs; RR: Relative Risk; THIN: The Health Network; tNSAIDs: traditional NSAIDs.