Gender, arterial hypertension, dependence in activities of daily living, DD, CRP, PCT, AST, leukocytes, haemoglobin, platelets, sodium, acute renal failure or days from the onset of symptoms to arrival at the hospital were not significant; troponin or ferritin cannot be explored in the multivariate model because there are few cases with valid data. Here, CRP is linked to Hypertension.