The development of the risk model will be performed with logistic regression which dependent variable is the presence of MACE during hospitalization and 30 days (Wald method, backward). Variables for clinical and epidemiological history considered as relevant will be included, according also with the biological and epidemiological consistency and plausibility. The statistical criteria will be the inclusion of variables that in the bivariate analysis show p <0.20 and the exit criteria of the model will be p≥0.05.