The frequency of thrombocytopenia, prolonged prothrombin time, livedo reticularis and dental ulcer was higher in patientaβGPI阳性SLE患者血小板减少、凝血酶原时间(PT)延长、网状青斑、口腔溃疡发生率高于aβGPI阴性组,差异具有统计学意义。