text: 但另有研究发现抗SS<sub>A</sub>、RNP及Sm抗体阳性时，多为膜性肾病；弥漫增殖性狼疮肾炎上述抗体阳性率均低或滴度低；高亲和力DNA抗体阳性及低补体血症者多为弥漫增殖性肾炎。
entities.entity: 抗SS<sub>A</sub>、RNP及Sm抗体
entities.label: bod
entities.entity: 抗SS<sub>A</sub>、RNP及Sm抗体阳性
entities.label: sym
entities.entity: 膜性肾病
entities.label: dis
entities.entity: 弥漫增殖性狼疮肾炎
entities.label: dis
entities.entity: 抗体阳性率均低或滴度低
entities.label: sym
entities.entity: 高亲和力DNA抗体
entities.label: bod
entities.entity: 高亲和力DNA抗体阳性
entities.label: sym
entities.entity: 低补体血症
entities.label: dis
entities.entity: 弥漫增殖性肾炎
entities.label: dis