Patients were stratified into three groups. High risk of bleeding was defined as the presence of two or more risk factors, moderate risk as the presence of one risk factor, and low risk as the absence of all risk factors 8.
Los pacientes fueron estratificados en tres grupos de riesgo de sangrado: alto, medio o bajo, de acuerdo a la presencia de 2 o más factores de riesgo, un factor de riesgo o la ausencia de estos factores, respectivamente 8.