“…Two points that provide examples of this limitation were the percentage of non-ST elevation ACS patients, which was larger than in the original GRACE cohort, 3 although similar to a Brazilian registry, 29 and the observation that all ST-elevation myocardial infarction patients were treated with primary angioplasty, which is only routinely performed in reference centers. 29 Second, we did not gather some data that could be important for prognostic information, such as the use of medications like aspirin, clopidogrel, beta-blockers and statins, because these data were not available in our database.…”